Uniden 4K NVR with Hard DriveThe Uniden Guardian App Cam 4K NVR 8 Channel paired with any combination of cameras to suit every situation and location. The optional cameras available to this system are 4K bullet and 4K dome cameras which deliver 4K resolution, which is four times the resolution of 1080P, to capture, view and replay quality footage. Both camera types are weatherproof with an IP66 rating. And while both are suited to interior and exterior usage, the Bullet camera