Ubiquiti Networks AI Theta Audio surveillance security system
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An 8-channel PoE NVR kit with four 5MP cameras, person and vehicle detection, a pre-installed 2TB hard drive and up to 100ft night vision
The Reolink RLK8-520D4 is an eight-channel network video recorder kit supplied with four wired 5MP PoE cameras for indoor or outdoor use. It targets homeowners and small businesses that want a complete, pre-configured surveillance system with person and vehicle detection to reduce false alerts from animals or foliage.
The NVR ships with a 2TB hard drive installed and supports up to 12TB total using two drives of 6TB each. That capacity provides weeks of continuous 5MP recording across four cameras; adding more cameras or raising the bitrate will consume space faster and may require the additional drives.
The recorder draws 48V DC at 1.875 to 2.5A from the included supply and operates without a fan, so it adds no audible noise to a living space or office. The PoE cameras are rated IP66 and function from -10°C to 55°C, handling rain, heat and cold without active cooling.
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| Product | |
|---|---|
| Brand name | Reolink |
| Product line | 8CH NVR Kit |
| Model name | RLK8-520D4 |
| Product type | NVR Kit |
| Storage | |
| Built-in hard drive | Built-in 2 TB; Up to 12 TB (Max. 6 TB capacity for each HDD) |
| Storage size | 2 TB HDD |
| Display | |
| Resolution | • HDMI: 4096 × 3072, 3840 × 2160, 1920 × 1080, 1440 × 900, 1280 × 1024, 1280 × 720, 1024 × 768 • VGA: 1920 × 1080, 1440 × 900, 1280 × 1024, 1280 × 800, 1280 × 720, 1024 × 768 |
| Audio & video | |
| Type of camera | IP Camera |
| Camera channels | 8 Channel |
| Video compression | H.264, H.265 |
| Camera resolution | 5 MP |
| Connectivity | |
| Network interface | RJ45 |
| Network protocols | HTTP, TCP/IP, UDP, DHCP, P2P, UPNP, RTSP, SMTP, SSL/TLS, DNS, DDNS, NTP, FTP |
| Power over Ethernet | Yes |
| Ports & slots | |
| Interface type | 2 x USB 2.0 |
| Video inputs | PoE IP camera x 8 |
| Audio inputs | Cameras with built-in mic |
| Video outputs | VGA, HDMI |
| Audio output port | 1-channel, RCA |
| Power | |
| Power supply | DC 48 V/1.875-2.5A |
| In the box | |
| Cameras included | 4 |
| Software | |
| Operating system | PC: Windows, Mac OS; SmartPhone: iOS, Android |
The NVR accepts eight PoE IP cameras total, so four existing units would leave four channels open for the included 5MP cameras.
Connect a monitor via HDMI and confirm the live view shows 3840×2160 or 4096×3072 output, then check playback for H.265 5MP streams.
The kit is described as plug-and-play with everything needed; the four wired PoE cameras connect directly to the NVR ports using the supplied cables.
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