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5.0 out of 5 stars
- #602 in Surveillance Video Recorders
Product Description
NVR4-EI Series 8CH Compact 1U 8PoE 1HDD Wiz Network Video Recorder NV41AI-8P-4KH
Main Processor | Industrial-grade processor |
Operating System | Embedded Linux |
Operating Interface | Web; Local GUI |
AI by Recorder | Face detection, face recognition, perimeter protection, and SMD Plus; |
AI by Camera | Face detection; face recognition; perimeter protection; SMD Plus; people counting; stereo analysis; heat map |
Perimeter Performance | Perimeter Performance AI by Recorder (Number of Channels) : 2 channels, 10 IVS rules for each channel |
. | Perimeter Performance of AI by Camera (Number of Channels) : 8 channels |
Face Attributes | Gender; age group; glasses; expressions; face mask; beard |
Face Detection | Face Detection Performance of AI by Recorder (Number of Channels) : 1 channel (up to 12 face images/s each channel) |
. | Face Detection Performance of AI by Camera (Number of Channels) : 8 channels |
Face Database Capacity | Up to 10 face databases with 20,000 images, with a total capacity of 2.5 G. Name, gender, birthday, address, credential type, credential No., countries & regions and state can be added to each face image |
Face Recognition | Face Recognition Performance of AI by Recorder (Number of Channels):8-channel FD (by camera) + FR (by recorder),image stream: 12 face images/s ; 1-channel FD (by recorder) + FR (by recorder), video stream: 12 face images/s |
. | Face Recognition Performance of AI by Camera (Number of Channels) : 8 channels |
SMD Plus by Recorder | 4 channels: Secondary filtering for human and motor vehicle, reducing false alarms caused by leaves, rain and lighting condition change |
SMD Plus by Camera | 8 channels |
Audio and Video
Access Channel | 8 channels |
Network Bandwidth | AI disabled: 256 Mbps incoming, 256 Mbps recording and 256 Mbps outgoing ; AI enabled: 180 Mbps incoming, 180 Mbps recording and 180 Mbps outgoing. |
Resolution | 16 MP; 12 MP; 8 MP; 6 MP; 5 MP; 4 MP; 3 MP; 1080p; 960p; 720p; D1; CIF |
Decoding Capability | AI disabled: 2-channel 16 MP@30 fps; 2-channel 12 MP@30 fps; 4-channel 8 MP@30 fps; 6-channel 5 MP@30 fps; 8-channel 4 MP@30 fps |
. | AI enabled: 1-channel 16 MP@30 fps; 2-channel 12 MP@30 fps; 3-channel 8 MP@30 fps; 4-channel 5 MP@30 fps; 6-channel 4 MP@30 fps; 8-channel 1080p@30 fps |
Video Output | 1 HDMI, 1 VGA, * Simultaneous/heterogeneous video sources output for VGA and HDMI is configurable. |
. | HDMI: 3840 × 2160, 1920 × 1080, 1280 × 1024, 1280 × 720 |
. | VGA: 1920 × 1080, 1280 × 1024, 1280 × 720 |
Multi-screen Display | 1st Screen: 1/4/8/9 ; 2nd Screen: 1/4/8/9 |
Video Compress | Smart H.265+; H.265; Smart H.264+; H.264; MJPEG |
Audio Compression | G.711a; G.711u; PCM; G726 |
Network Protocol | HTTP; HTTPS; TCP/IP; IPv4/IPv6; UPnP; SNMP; UDP; SMTP; NTP; DHCP; DNS; IP Filter; PPPoE; DDNS; FTP; Alarm Server; IP Search (Support Dahua IP camera; DVR; NVS; etc.); P2P; auto register |
Mobile Phone Access | iOS; Android |
Browser | Chrome; IE9 and later; Firefox |
Recording Playback,Alarm,Port
Multi-channel Playback | Up to 8 channels |
Record Mode | General, motion detection; intelligent; alarm |
Backup Method | USB device and network |
Playback Mode | Instant playback, general playback, event playback, tag playback, smart playback |
General Alarm | Motion detection; privacy masking; video loss; scene changing; PIR alarm; IPC external alarm |
Anomaly Alarm | Camera disconnection; storage error; disk full; IP conflict; MAC conflict; login locked; and cybersecurity exception |
Intelligent Alarm | Face detection; face recognition; perimeter protection; SMD Plus; people counting; stereo analysis; heat map |
Alarm Linkage | Record; snapshot; IPC external alarm output; audio; buzzer; log; preset; email |
Audio Input | 1-channel RCA |
Audio Output | 1-channel RCA |
HDD Interface | 1 SATA port, up to 16 TB.The maximum HDD capacity varies with environment temperature. |
USB | 2 (1 front USB 2.0 port, 1 rear USB 2.0 port) |
HDMI | 1 |
VGA | 1 |
Network Port | 1 (10/100/1000 Mbps Ethernet port, RJ-45) |
PoE Port | 8 ports, 10/100 Mbps, IEEE 802.3 af/at |
Connection Sample

General
- Power Supply : 53 VDC, 1.812 A
- Power Consumption : Total output of NVR is <10 W(without HDD) Total output power of PoE is 72W,the maximum output power of asingle port is 25.5W.
- Net Weight : 0.92 kg (2.03 lb)
- Gross Weight : 2.05 kg (4.52 lb)
- Product Dimensions : 260 mm × 232.7 mm × 47.6 mm (10.24" × 9.16" × 1.87")(W × L × H)
- Packaging Dimensions :372 mm × 117 mm × 308 mm (14.65" × 4.61" × 12.13")(W × L × 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%–93% (RH)
- Installation :Rack or desktop
Panels

- Power Input Port : For NVR41HS-8P-EI series, input 53 VDC/1.81 A.
- PoE Port : Built-in switch. Support PoE function. For PoE series product, you can use this port to provide power to the network camera.
- Network Port : 10/100/1000 Mbps self-adaptive Ethernet port. Connect to the network cable.1 (10/100/1000 Mbps Ethernet port, RJ-45) .
- VGA Video Output Port : VGA video output port. Output analog video signal. It can connect to the monitor to view analog video.
- MIC OUT : Audio out, RCA connector, it is to output the analog audio signal to the devices such as the sound box.
- MIC IN : Audio input port , RCA connector, bidirectional talk input port. It is to receive the analog audio signal output from the devices such as microphone, pickup.
- HDMI : High Definition Media Page, high definition audio and video signal output port. It transmits uncompressed high definition video and multiple-channel data to the HDMI port of the display device. HDMI version is 1.4.
- USB Port : USB port. Connect to mouse, USB storage device and more.
- Ground : Ground end.
Dimensions (mm[inch])
- Net Weight : 0.92 kg (2.03 lb)
- Gross Weight : 2.05 kg (4.52 lb)
- Product Dimensions : 260 mm × 232.7 mm × 47.6 mm (10.24" × 9.16" × 1.87")(W × L × H)
- Packaging Dimensions :372 mm × 117 mm × 308 mm (14.65" × 4.61" × 12.13")(W × L × H)
Resetting Device through the Reset Button
You can use the reset button on the mainboard to reset the Device to the factory default settings.
The reset button is available on select models.
After resetting, all the configurations will be lost.
- Step 1 Disconnect the Device from power source, and then remove the cover panel.
- Step 2 Find the reset button on the mainboard, and then connect the Device to the power source again.
- Step 3 Press and hold the reset button for 5 seconds to 10 seconds.
- Step 4 Restart the Device.
After the Device restarts, the settings have been restored to the factory default
Steps for removing the backplane.
Please refer to the usage documentation on the purchase page for details.
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