Features:
ONLY WORK WITH REOLINK IP CAMERAS: Work perfectly with all Reolink PoE 4K/5MP/4MP cameras and Reolink WiFi cameras with DC power, such as RLC-510A, 520A, 811A,810A, 820A, 823A, 842A, Duo PoE，E1 Outdoor cameras. Manage up to 8/16 cameras simultaneously easily. 
FULL INTEGRATION WITH SMART REOLINK CAMS: The Reolink PoE NVRs can integrate human/vehicle detection & playback from Reolink IP cams to build an intelligent system. By adding more Reolink cameras with optical zoom, auto-tracking, two-way talk, motion-triggered spotlights features, you can even build a cutting-edge home security system on your own. 
FREE VERSATILE APPS AND REMOTE VIEW: Explore rich features and functions in free Reolink App/Client and download it from iOS or Android, Windows or Mac without monthly fees. Intuitive and easy-navigated software ensures local/remote access to your property. Enjoy peace of mind anytime, anywhere. 
SOUND RECORDING AND 24x7 NVR RECORDING: The Reolink IP Cameras can record videos with sound 24x7, then transmit HD recordings to Reolink PoE network video recorders. This NVR supports up to 8 cameras recording simultaneously to the built-in 2 HDD. For more space, an extra 6TB HDD can be added via the eSATA port.