Dual WiFi: Comes with built-in Wi-Fi router - NVR (network video Recorder) is a recorder with built in router. It receives and records all cameras with its own bandwidth, consuming 0 bit from your home router. Maximum supported 3.0M megapixel: 2020 the latest NVR support work with 3MP cameras, hiseeu 3MP camera support human detection function, more clearly image, less false motion detection notification. Multiple playback modes: NVR without HDD, if you want to check the record, please install HDD at first, then system allow to check the record on phone app, Computer software and NVR monitor. Only Compatible with Hiseeu Camera: This NVR doesnt support onvif, it only can work with hiseeu wireless camera. How to Connect the Camera to NVR: 1. Right click the mouse on NVR- Wireless add 2. Press the reset button on the Hiseeu wireless cameras for 10s,wait it show IP address 172.20.14.**. 3. After adding successfully, you can exist.