- Video Format Support: Ultra 265/H.265/H.264
- Input Channels: 8
- Compatibility: Supports mainstream cameras complying with ONVIF standards (Profile S, Profile G, Profile T) and RTSP protocols
- Output Options: 1 HDMI and 1 VGA, with HDMI supporting resolutions up to 4K (3840x2160)
- Simultaneous Output: HDMI and VGA can be used simultaneously
- Recording Resolution: Up to 4K
- Storage: 1 SATA HDD slot with a capacity of up to 8TB
- Cloud Upgrade: Supports cloud-based upgrades for enhanced functionality.
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16 Channels Penta-brid 1080N/720P Compact 1U 1HDD WizSense Digital Video Recorder KEY FEATURES: · H.265+/H.265 dual-stream video compression · Supports Full-channel AI-Coding · Supports HDCVI/AHD/TVI/CVBS/IP video inputs · Max 18 channels IP camera inputs, each channel up to 6MP; Max 64 Mbps Incoming Bandwidth · Long transmission distance over coax cable · Up to 8 channels video stream (analog channel) SMD Plus SERIES OVERVIEW: Dahua Technology, a world-leading video-centric smart IoT solution and service provider, debuted its new XVR series, Cooper-I Series featuring max.full-channel SMD Plus to benefit customers from AI upgrade (The number of channels differs depending on the model. Please refer to the specifications below for information on the number of channels.). This series has been developed to reduce false-alarm rates and the cost of human surveillance, thus bringing great value to customers in search of products with accurate human/vehicle alarm to raise the security level of various indoor and outdoor facilities. FUCNTIONS: SMD PLUS With intelligent algorithm, Dahua Smart Motion Detection technology can categorize the targets that trigger motion detection and filter the motion detection alarm triggered by non-concerned targets to realize effective and accurate alarm. SMART DUAL ILLUMINATORS With Smart Dual Illuminators technology, you can select Smart Illumination Mode for the system to automatically switch between IR mode and white light mode. It allows white light to be turned on when a target is detected by the SMD Plus/Perimeter Protection function of AI-enabled XVR. This significantly reduces light pollution at night. Together with other modes, including IR Mode and White Light Mode, the smart dual illumination technology can meet the requirements of a wide variety of scenes. ONE-CLICK ARMING/DISARMING With just one click, you can enable or disable alarm linkages to show messages, send emails, output audio alarms and more, through the mobile app and platform. AI CODING Compared with H.265/H.264, AI coding can reduce more than 50% bit rate and storage requirements without loss of decoding compatibility, providing clear human and vehicle details. SMART H.265+ Smart H.265+ Codec reduces bit rate and storage requirements by up to 90%, outranking standard H.264 video compression and eliminating the need to invest in a new camera. LONG-DISTANCE TRANSMISSION The HDCVI system supports long distance transmission over coaxial cable and UTP, max. 700 m for 4K/4MP, 800 m for 1080P and 1200 m for 720p. AUDIO OVER COAX The integrated design can reduce wiring troubles which makes it much more cost-effective and convenient for installation. -
8 Channel Smart 1U 1HDD WizSense Network Video Recorder KEY FEATURES:> Smart H.265+/H.265/Smart H.264+/H.264/MJPEG decoding format
> Max. decoding capability: 6 × 1080p@30 fps. Supports adaptive decoding
> 1-channel face detection and recognition (AI by NVR); 1-channel perimeter protection (AI by NVR); up to 10 face databases and 5,000 face images; 4-channel SMD Plus (AI by NVR);
> AI by camera: Face detection and recognition, perimeter protection, and SMD Plus
> Connected to the third-party network cameras
> Security baseline 2.1
System Main Processor Industrial-grade embedded processor Operating System Embedded Linux Operation Interface Web; local GUI AI AI by Camera Face detection; face recognition; perimeter protection; SMD Plus AI by Device Face detection; face recognition; perimeter protection; SMD Plus Perimeter Protection Perimeter Performance AI by Device(Number of Channels) 1 Perimeter Performance of AI by Camera (Number of Channels) 4 Face Detection Face Attributes 6 attibutes: Gender; age group (6); glasses; expressions (8); mouth mask; beard Face Detection Performance of AI by Device (1080P) (Number of Channels) 1 (up to 12 face images/second) Face Detection Performance of AI by Camera (Number of Channels) 5 Face Recognition Face Database Capacity Up to 10 face databases with 5,000 images Face Recognition Performance of AI by Device (1080P) (Number of Channels) 1 (up to 4 face images/second) Face Recognition Performance of AI by Camera (Number of Channels) 5 SMD Plus SMD Plus by Device 4 SMD Plus by Camera 6-channel SMD Plus (AI by camera): Detects tripwire and intrustion of human or vehicle; filters false alarms caused by leaves, raindrops and change of brightness away Video Access Channel 8 channels Network Bandwidth 80 Mbps for access, 80 Mbps for storage and 60 Mbps for forwarding. Resolution 12MP; 8MP; 5MP; 4MP; 3MP; 2MP; 720p; D1 Decoding Capability AI disabled: 1-channel 12MP@30 fps; 1-channel 8MP@30 fps; 2-channel 5MP@30 fps; 3-channel 4MP@30 fps; 6-channel 1080p@30 fps AI enabled: 1-channel 8MP@30 fps; 1-channel 5MP@30 fps; 2-channel 4MP@30 fps; 4-channel 1080p@30 fps Video Output 1 × VGA, 1 × HDMI (simultaneous) Multi-screen Display 1, 4, 8, 9 views Third Party Camera Access Onvif Compression Video Smart H.265+; H.265; Smart H.264+; H.264; MJPEG Audio PCM; G711A; G711U; G726 Network Network Protocol HTTP; HTTPS; TCP/IP; IPv4; RTSP; UDP; NTP; DHCP; DNS; SMTP; UPnP; IP Filter; DDNS; Alarm Server; IP Search (Supports Dahua IP camera, DVR, NVS, etc.); P2P;Auto Registration Mobile Phone Access Android; iOS Interoperability ONVIF (profile T; profile S; profile G); CGI; SDK Browser Chrome; IE9 or later; Firefox Record Playback Multi-channel Playback Up to 8 channels Record Mode Manual record; alarm recordings; motion detection recordings; scheduled recordings Storage Local HDD and network Backup USB device Playback Function 1. Play; pause; stop; fast forward; fast backward; rewind; play by frame 2. Full screen; backup (vide clip/file); partially zom in; audio on/off Alarm General Alarm Motion detection; privacy masking; video loss; PIR alarm; IPC alarm Anomaly Alarm Camera offline; storage error; disk full; IP conflict; MAC conflict; login lock; cyber security exception Intelligent Alarm Face detection; face recognition; perimeter protection (intrusion and tripwire); IVS; SMD Plus Alarm Linkage Recording; snapshot; buzzer; log; preset; email; tour External Port HDD 1 SATA port, up to 10 TB. The maximum HDD capacity varies with environment temperature USB 2 rear USB 2.0 ports HDMI 1 (max. resolution: 4K) VGA 1 Network 1 × RJ-45 (10 or 100 Mbps) RCA Input 1 RCA Output 1 RCA Output 1 General Parameter Power Supply 12 V DC, 1.5 A Power Consumption Total output of NVR is ≤ 10 W (without HDD) Net Weight 0.45 kg (0.99 lb) Gross weight 1.07 kg (3.04 lb) Product Dimensions 204.6 mm × 206.4 mm × 48.1 mm(8.06" × 8.13" × 1.89") (W × L × H) Package Dimensions 96 mm × 364 mm × 261 mm (3.78" × 14.33" × 10.28") (W × L × H) Operating Temperature –10 °C to +55 °C (+14 °F to +131 °F) Storage Temperature 0 °C to 40 °C (32 °F to 104 °F) Operating Humidity 10%–93% Storage Humidity 30%–85% Operating Altitude 3,000 m (9,842.52 ft) Installation Desktop Certifications FCC:47 CFR FCC Part15,SubpartB,Class A CE-EMC:EN 55032:2015,Class A;EN IEC 61000-3-2:2019;EN 61000-3-3:2013+A1:2019;EN 55024:2010+A1:2015;EN 55035:2017;EN 50130-4:2011+A1:2014 CE-LVD:EN 62368-1:2014+A11:2017 -
8 Channel Compact 1U 1HDD Network Video Recorder KEY FEATURES: · New 4.0 user interface, Security baseline 2.1 · H.264, H.265, Smart H.264+, and Smart H.265+. H.265 auto switch · Max. decoding capability: 8 × 1080p@30 fps. Supports adaptive decoding · Supports mainstream cameras of ONVIF and RTSP protocols · P2P remote surveillance, video play on mobile device · VGA/HDMI simultaneous video output, maximum resolution of HDMI is 4K · AI by Camera: Face detection, perimeter protection, IVS, people counting, heat map, and SMD · Supports remote configuration and management of IPC, such as set ting parameters, getting information, and upgrading IPC of the same model in batches Series Overview: Dahua NVR4000-4KS2/L is introduced as the Lite series NVR that supports for 4K and H.265 encoding technology with excellent performance at an affordable price. For applications where image details are highly required, it delivers the capability of 4K resolution processing. The NVR can be served as edge storage, central storage or backup storage with an intuitive shortcut operation menu for remote management and control. Due to its cost-effective and easy-to-install design, this NVR is ideal for a wide range of applications such as public safety, water conservancy, transportation, city centers, education, and financial institutions. The NVR is compatible with numerous third-party devices making it the perfect solution for surveillance systems that work independently of video management system (VMS). It features an open architecture that supports for multi-user access and is compatible with ONVIF Profile S, T, G protocol, enabling interoperability with IP cameras. Functions: Perimeter Protection by Camera Automatically filtering out false alarms caused by animals, rustling leaves, bright lights, etc. Enables system to act secondary recognition for the targets. Improving alarm accuracy. Face Detection by Camera Face detection is to detect if there is any human face appearing in the video. This technology adopts a deep learning algorithm to support face detection, tracking, optimization and capturing, and then output the best face snapshot. SMD Plus by Camera With intelligent algorithm, Dahua Smart Motion Detection technology can categorize the targets that trigger motion detection and filter the motion detection alarm triggered by non-concerned targets to realize effective and accurate alarm. People Counting by Camera With deep learning algorithm, Dahua People Counting technology can track and process moving human body targets to realize the accurate statistics of enter No., leave No., and In Area No. Working with management platform, it outputs yearly/monthly/weekly/daily reports to meet your requirements. Smart Codec With advanced scene-adaptive rate control algorithm, Dahua smart codec technology realizes the higher encoding efficiency than H.265 and H.264, provides high-quality video, and reduces the cost of storage and transmission. DMSS The DMSS app is available on the iOS App Store and Google Play. It makes surveillance easy and simple, allowing you to remotely access back-end devices, view live video, receive event push notifications, and search for recorded videos from an iPhone, iPad, or Android phone at anytime from virtually anywhere. -
Motion Detection:
- Analyzes for humans and vehicles (reducing false alarms)
- Supports 1 or 4 camera channels
Recording:
- Records video with optional audio
Stream Type:
- Video only or video and audio
Audio Compression:
- Supports G.711ulaw, G.711alaw, G.722, and G.726 codecs
Video and Audio Input:
- Up to 4 camera channels
Network Bandwidth:
- Incoming: 40 Mbps
- Outgoing: 80 Mbps
Video Output:
- HDMI (up to 4K resolution) and VGA (up to 1080p resolution) can be used simultaneously
Audio Output:
- RCA jack for analog audio
Two-Way Audio:
- Supports two-way communication through an RCA jack
Video Decoding:
- Supports H.265+, H.265, H.264+, and H.264 codecs
Recording Resolution:
- Wide range of resolutions supported, from 8 megapixels down to QCIF
Playback:
- Can playback recordings from 4 channels simultaneously
Decoding Capability:
- Decodes one channel at 8 megapixels (30 fps) or five channels at 1080p (30 fps)
Network Connectivity:
- Supports various network protocols for remote access
- Connects via one Ethernet port (10/100 Mbps)
Storage:
- Supports SATA hard drives up to 8TB per drive (2 drives total)
USB Interface:
- Two USB 2.0 ports
Alarm Input/Output:
- Not available (optional on some models)
General Specifications:
- Power supply: 12 VDC, 1.5 A
- Power consumption: Less than 10 watts (without hard drive)
- Operating temperature: -10°C to 55°C (14°F to 131°F)
- Operating humidity: 10% to 90%
- Dimensions: 320 x 240 x 48 mm (12.4" x 9.4" x 1.9")
- Weight: Less than 1 kg (2.2 lb without hard drive)
- Certifications: FCC Part 15 Subpart B, ANSI C63.4-2014, CE EN
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8CH Penta-brid 5MP Value/1080P Compact 1U 1HDD WizSense Digital Video Recorder KEY FEATURES:> 8-channel SMD Plus for analog channels or 12-channel SMD by camera which allows the device to trigger accurate alarms for humans and vehicles.
> 4-channel perimeter protection for analog channels which supports tripwire and intrusion detection powered by AI.
> 2-channel face recognition for analog channels which supports face comparison.
> 8-channel AI Coding saves on storage and bandwidth while maintaining the details of targets in videos.
> Supports HDCVI, AHD, TVI, CVBS and IP video input.
> Supports up to 12-channel IP camera input and each channel can be up to 6 MP. The incoming bandwidth reaches 64 Mbps.
> Smart H.265+ and H.265 dual-stream video compression.
> IoT and POS capabilities.
* The information only applies to hardware version 3.0. of the product.
System Main Processor Industrial-grade processor Operating System Embedded Linux Operating Interface Web; Local GUI Perimeter Protection Perimeter Performance AI by Recorder (Number of Channels) Advanced Mode: 2 channels, 10 IVS rules for each channel General Mode: 4 channels, 10 IVS rules for each channel Face Detection Face Attributes 6 attributes Face Detection Performance of AI by Recorder (Number of Channels) 2 channels (up to 8 face images/s each channel) Face Recognition Face Database Capacity Up to 10 face databases with 10,000 images. Face Recognition Performance of AI by Recorder (Number of Channels) 2 channels SMD Plus SMD Plus by Recorder 8 channels: Secondary filtering for human and motor vehicle, reducing false alarms caused by leaves, rain and lighting condition change SMD Plus by Camera 12 channels AI Video Quality Analytics AI Video Quality Analytics by Recorder 8 channels: Supports detecting brightness levels, color cast, defocus, overexposure, contrast levels, black and white Scene Changing Scene Changing by Recorder 1 channel Irregular Black Block Masking Irregular Black Block Masking by Recorder 1 channel Audio and Video Analog Camera Input 8 BNC ports, supports HDCVI/AHD/TVI/CVBS auto-detect Camera Input 1. CVI: 5 MP@25 fps; 5 MP@20 fps; 5 MP@10/12.5 fps; 4 MP@25/30 fps; 1080p@25/30 fps; 720p@50/60 fps; 720p@25/30fps. 2. TVI: 5 MP@20 fps; 4 MP@25/30 fps; 1080p@25/30 fps; 720p@25/30 fps. 3. AHD: 5 MP@20 fps; 4 MP@25/30 fps; 1080p@25/30 fps; 720p@25/30 fps. IP Camera Input Up to 12 channels of IPC access 4 IP channels by default +8 channels (analog channels are converted to IP channels) incoming bandwidth: 64 Mbps, recording bandwidth: 64 Mbps and outgoing bandwidth: 64 Mbps *After IP extension is enabled, Video Quality Analytics, Scene Changing, Face Recognition, Face Detection, SMD, Perimeter Protection cannot be used. Encoding Capacity Main stream: 5MP Mode: 4-ch 5MP@(1-6fps); other channels 5M-N@(1-12fps） 5M-N Mode: 5M-N@(1 fps –12 fps); 4M-N/1080p@(1 fps–15 fps); 1080N/720p/960H/D1/CIF@(1 fps–25/30 fps) Sub stream: D1/CIF@(1 fps–15 fps) Dual-stream Yes Video Bit Rate 32 kbps–6144 kbps Audio Sampling 8 kHz, 16 bit Audio Bit Rate 64 kbps Video Output 1 HDMI, 1 VGA HDMI: 1920 × 1080, 1280 × 1024, 1280 × 720 VGA: 1920 × 1080, 1280 × 1024, 1280 × 720 Multi-screen Display When IP extension mode not enabled: 1/4/8/9 When IP extension mode enabled: 1/4/8/9/16 Third-party Camera Access Panasonic; Sony; Hanwha; Axis; Arecont; ONVIF Compression Standard Video Compression AI Coding; Smart H.265+; H.265; Smart H.264+; H.264 Audio Compression G.711a; G.711u; PCM Network Network Protocol HTTP; HTTPS; TCP/IP; IPv4; IPv6; RTSP; UDP; NTP; DHCP; DNS; SMTP; UPnP; IP Filter; FTP; DDNS; SNMP; Alarm Server; P2P; Auto Registration; IP Search (Supports IP camera, DVR, NVS, etc.) Mobile Phone Access iOS; Android Interoperability ONVIF 23.12 (Profile T; Profile S; Profile G); CGI; SDK Browser Chrome; IE; Safari; Edge; Firefox Recording Playback Record Mode General; alarm; motion detection; intelligent; POS Recording Playback 1/4/9 It changes to 1/4 split when Face or IVS&SMD is selected in AI Mode. Backup Method USB device and network Playback Mode Instant playback; general playback; event playback; tag playback; smart playback Alarm General Alarm Motion detection; alarm box; HDCVI alarm; camera external alarm; network alarm; PIR alarm Anomaly Alarm Error (no disk, disk error, low space, low quota space; network disconnection; IP conflict; MAC conflict); video loss; video tampering; camera offline Intelligent Alarm Face detection; face recognition; perimeter protection; SMD Plus Alarm Linkage Record; snapshot (panoramic); IPC external alarm output; audio; buzzer; log; preset; email Ports Audio Input 1-channel RCA 8-channel BNC (Coaxial Audio) Audio Output 1-channel RCA Two-way Talk Yes (share the same audio input with the first channel) Disk Interface 1 SATA port, up to 16 TB. This limit varies depending on the environment temperature. RS-485 1 USB 2 (1 front USB 2.0 port, 1 rear USB 2.0 port) HDMI 1 VGA 1 Network Port 1 (10/100 Mbps Ethernet port, RJ-45) General Power Supply 12 VDC, 2A Power Consumption <7 W(without HDD) Net Weight 0.97 kg (2.14 lb) Gross Weight 1.39 kg (3.07 lb) Product Dimensions 260.0 mm × 237.8 mm × 47.6 mm (10.24" × 9.37" × 1.87") (W × D × H) Packaging Dimensions 333.0 mm × 89.0 mm × 315.0 mm (13.11" × 3.50" × 12.40") (W × D × H) Operating Temperature –10 °C to +55 °C (+14 °F to +131 °F) Storage Temperature –20 °C to +60 °C (–4 °F to +140 °F) Operating Humidity 10%–90% (RH), non-condensing Installation Desktop Certifications CE: CE-LVD: IEC 62368-1 CE-EMC: EN 61000-3-2, EN 61000-3-3, EN 55032, EN 50130, EN 55024, EN 55035 -
1080p Video155° Ultra-wide-angle ViewPIR Motion DetectionLive View & Two-way Video Call4.3-inch Color ScreenNight Vision Up to 5 m (16 ft)Built-in Electronic Doorbell4600mAh Rechargeable Lithium BatteryH.265 Video TechnologySupports MicroSD Card (up to 256 GB) -
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- Enhanced Features: Improved motion detection with human/vehicle analysis, supports 16-channel video input, and various recording options with audio support.
- Network: Increased bandwidth for faster data transfer and various protocols for remote access.
- Playback: Simultaneous playback of up to 16 channels.
- Storage: Supports single SATA hard drive (up to 8TB) with no RAID.
- Outputs: HDMI and VGA outputs with simultaneous display capability, supporting up to 4K resolution on HDMI.
- Decoding: Compatible with various video codecs (H.265+/H.265/H.264+/H.264).
- General: Same power supply and environmental specifications as the previous model.
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16 Channel Smart 1U 1HDD Network Video Recorder KEY FEATURES: · New 4.0 user interface, Security baseline 2.1 · H.264, H.265, Smart H.264+, and Smart H.265+. H.265 auto switch · Max. decoding capability: 8 × 1080p@30 fps. Supports adaptive decoding · Supports mainstream cameras of ONVIF and RTSP protocols · P2P remote surveillance, video play on mobile device · VGA/HDMI simultaneous video output, maximum resolution of HDMI is 4K · AI by Camera: Face detection, perimeter protection, IVS, people counting, heat map, and SMD · Supports remote configuration and management of IPC, such as set ting parameters, getting information, and upgrading IPC of the same model in batches Series Overview: Dahua NVR4000-4KS2/L is introduced as the Lite series NVR that supports for 4K and H.265 encoding technology with excellent performance at an affordable price. For applications where image details are highly required, it delivers the capability of 4K resolution processing. The NVR can be served as edge storage, central storage or backup storage with an intuitive shortcut operation menu for remote management and control. Due to its cost-effective and easy-to-install design, this NVR is ideal for a wide range of applications such as public safety, water conservancy, transportation, city centers, education, and financial institutions. The NVR is compatible with numerous third-party devices making it the perfect solution for surveillance systems that work independently of video management system (VMS). It features an open architecture that supports for multi-user access and is compatible with ONVIF Profile S, T, G protocol, enabling interoperability with IP cameras. Functions: Perimeter Protection by Camera Automatically filtering out false alarms caused by animals, rustling leaves, bright lights, etc. Enables system to act secondary recognition for the targets. Improving alarm accuracy. Face Detection by Camera Face detection is to detect if there is any human face appearing in the video. This technology adopts a deep learning algorithm to support face detection, tracking, optimization and capturing, and then output the best face snapshot. SMD Plus by Camera With intelligent algorithm, Dahua Smart Motion Detection technology can categorize the targets that trigger motion detection and filter the motion detection alarm triggered by non-concerned targets to realize effective and accurate alarm. People Counting by Camera With deep learning algorithm, Dahua People Counting technology can track and process moving human body targets to realize the accurate statistics of enter No., leave No., and In Area No. Working with management platform, it outputs yearly/monthly/weekly/daily reports to meet your requirements. Smart Codec With advanced scene-adaptive rate control algorithm, Dahua smart codec technology realizes the higher encoding efficiency than H.265 and H.264, provides high-quality video, and reduces the cost of storage and transmission. DMSS The DMSS app is available on the iOS App Store and Google Play. It makes surveillance easy and simple, allowing you to remotely access back-end devices, view live video, receive event push notifications, and search for recorded videos from an iPhone, iPad, or Android phone at anytime from virtually anywhere. -
- Video Format Support: Ultra 265/H.265/H.264
- Input Channels: 16
- Compatibility: Supports mainstream cameras complying with ONVIF standards (Profile S, Profile G, Profile T) and RTSP protocols
- Output Options: 1 HDMI and 1 VGA, with HDMI supporting resolutions up to 4K (3840x2160)
- Simultaneous Output: HDMI and VGA can be used simultaneously
- Recording Resolution: Up to 4K
- Storage: 1 SATA HDD slot with a capacity of up to 8TB
- Cloud Upgrade: Supports cloud-based upgrades for enhanced functionality.
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16 Channel Smart 1U 1HDD WizSense Network Video Recorder KEY FEATURES: · Smart H.265+/H.265/Smart H.264+/H.264/MJPEG decoding format · Max. decoding capability: 6 × 1080p@30 fps. Supports adaptive decoding · 1-channel face detection and recognition (AI by NVR); 1-channel perimeter protection (AI by NVR); up to 10 face databases and 5,000 face images; 4-channel SMD Plus (AI by NVR); · AI by camera: Face detection and recognition, perimeter protection, and SMD Plus · Connected to the third-party network cameras · Security baseline 2.1 Series Overview: This AI network video recorder is a highly cost-effective product, providing functions such as local live view, multi-screen display, real-time storage on local HDD, fast operation by mouse, and remote management and control. This product is suitable for face detection and recognition at entrances and exits, and perimeter protection of people and vehicles. Functions: Face Detection Face detection is to detect if there is any human face appearing in the video. This technology adopts a deep learning algorithm to support face detection, tracking, optimization and capturing, and then output the best face snapshot. Face Recognition Dahua Face Recognition technology extracts the features of captured faces and compares them with those in face database to recognize the person identity. Perimeter Protection Automatically filtering out false alarms caused by animals, rustling leaves, bright lights, etc. Enables system to perform secondary recognition for the targets. Improving alarm accuracy. SMD Plus With intelligent algorithm, Dahua Smart Motion Detection technology can categorize the targets that trigger motion detection and filter the motion detection alarm triggered by non-concerned targets to realize effective and accurate alarm. AI Search Support AI seach by metadata of different targets or uploading face pictures to device and comparing them with recorded faces by similarity. Enable operators to quickly and easily search through multi channels and long duration, efficiently find out when and where a person of interest appeard. Smart Fan The NVR is equipped with a smart fan to achieve high cooling efficiency. It automatically turns on or turns off according to CPU and ambient temperature. The fan is long-lasting and low noise, reducing maintenance costs and improving the user experience.
