REOLINK
Reolink RLK8-820D4-A 4K PoE Security System with Person/Vehicle Detection; 2TB 8-Ch NVR for 24/7 Recording
Manufacturer Warranty
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Video & Audio
| Image Sensor | 1/2.49" CMOS sensor |
|---|---|
| Video Resolution | Default: 3840X2160 (8.0 Megapixels) at 25 frames/sec |
| Lens | f=4.0mm fixed; F=2.0, with IR-cut filter |
| Video Compression | H.264/H.265 |
| Field of View | • Horizontal: 87° • Vertical: 44° |
| Day & Night | IR-cut filter with auto-switching |
| Night Vision | 30 meters (100 ft) (LED: 18pcs/14mil/850nm) |
| Audio | Audio recording |
Power
| PoE | IEEE 802.3af, 48V Active |
|---|---|
| DC Power | DC 12.0V⎓1A, <12W |
Interface
| Power | DC power port |
|---|---|
| System | Reset button |
| Ethernet | One 10M/100Mbps; RJ45 |
| Storage | |
| Audio | Built-in microphone |
Software Features
| Frame Rate | • Mainstream: 2fps - 25fps (default: 25fps) • Substream: 4fps - 15fps (default: 10fps) |
|---|---|
| Code Rate | • Mainstream: 4096Kbps - 8192Kbps (default: 6144Kbps) • Substream: 64Kbps - 512Kbps (default: 256Kbps) |
| Browser Supported | |
| OS Supported | |
| Smart Alarm | Motion detection; person detection; vehicle detection; pet detection |
| Record Mode | Motion-triggered recording (default); scheduled recording; 24/7 recording |
| Protocols & Standards | |
| Maximal User Access | |
| Smart Home |
Working Environment
| Temperature | Operating temperature: -10°C ~ +55°C (14°F ~ 131°F) |
|---|---|
| Humidity | Operating humidity: 10% ~ 90% |
| Weatherproof | IP67 |
Size & Weight
| Dimensions | Φ105*95mm |
|---|---|
| Weight | 467.5g |
Warranty
| Limited Warranty | 2-year limited warranty. For support, visit https://support.reolink.com/hc/en-us/ |
|---|
Hardware
| Hardware | V2 |
|---|
Video/Audio Input
| IP Video Input | PoE IP camera x 8 |
|---|---|
| Audio Input | Cameras with built-in mic |
Video/Audio Output
| Video Output | VGA, HDMI |
|---|---|
| Display Resolution | |
| Audio Output | 1-channel, RCA |
Decoding
| Live View/Playback Resolution | 4096*3072/3840*2160/2560*1920/2560*1440/2048*1536/2304*1296/1080p/720p |
|---|---|
| Video Format | H.264, H.265 |
| Synchronous Playback | Up to 4 channels |
HDD
| SATA | 1 x SATA interface (1 x 2TB HDD included) |
|---|---|
| Capacity | Up to 12TB (max. 6TB capacity for each HDD) |
| External HDD | 1 eSATA interface for HDD |
External Interface
| USB Interface | 2 x USB 2.0 |
|---|---|
| Network Interface | • 1, RJ-45 10/100 Mbps self-adaptive Ethernet interface for LAN/WAN • 8, RJ-45 10/100 Mbps self-adaptive PoE Ethernet interface for IP camera |
PoE
| Max. Power Per Port | 25W |
|---|---|
| Supported Standard | IEEE 802.3af/at |
Network
| Network Protocols | HTTP, TCP/IP, UDP, DHCP, P2P, UPNP, RTSP, SMTP, SSL/TLS, DNS, DDNS, NTP, FTP |
|---|---|
| Browsers Supported | Edge, Firefox, Chrome, Safari |
| OS Supported | PC: Windows, Mac OS; smartphone: iOS, Android |
| Max. User Access | 20 users (1 admin account & 19 user accounts); up to 12 simultaneous video streams (10 substreams & 2 mainstreams) |
General
| Power Supply | DC 48V~53V |
|---|---|
| Power Consumption | <10W (without HDD & PoE) |
| Working Environment | Temperature: -10°C~+45°C (14°F~113°F); humidity: 10%~90% |
| Dimensions | 260 x 41 x 230mm |
| Weight | 1.4kg |
Warranty
| Limited Warranty | 2-year limited warranty. For support, visit https://support.reolink.com/hc/en-us/. |
|---|
Video & Audio
| Image Sensor | 1/2.49" CMOS Sensor |
|---|---|
| Video Resolution | Default: 3840x2160 (8 megapixels) @20fps |
| Lens | f=4.0 mm fixed, F=2.0, with IR cut |
| Video Format | H.264/H.265 |
| Field of View | • Horizontal: 87° • Vertical: 44° |
| Day/Night Mode | IR-cut filter with auto-switching |
| Night Vision | 30 meters (100ft) (LED: 18pcs/14mil/850nm) |
| Frame Rate | • Mainstream: 2fps - 20fps (default: 20fps) • Substream: 4fps - 15fps (default: 10fps) |
| Code Rate | • Mainstream: 4096Kbps - 8192Kbps (default: 6144Kbps) • Substream: 64Kbps - 512Kbps (default: 256Kbps) |
| Audio | Audio recording |
Detection/Recording Modes
| Smart Alarms | Person detection, vehicle detection, motion detection |
|---|---|
| Recording Modes | Motion-triggered recording (default), scheduled recording, 24/7 recording |
Power
| PoE | IEEE 802.3af, 48V Active |
|---|---|
| DC Power | DC 12.0V=1A, <12W |
Interface
| Power | DC power port |
|---|---|
| System | Reset button |
| Ethernet | One 10M/100Mbps; RJ45 |
| Audio | Built-in microphone |
Working Environment
| Temperature | Operating temperature: -10°C~+55°C (14°F~131°F) |
|---|---|
| Humidity | Operating humidity: 10% ~ 90% |
| Weatherproof | IP67 |
Size & Weight
| Dimension | Φ105*93mm |
|---|---|
| Weight | 480g |
Warranty
| Limited Warranty | 2-year limited warranty. For support, visit https://support.reolink.com/hc/en-us/ |
|---|
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