MaceView 8-Channel 500GB DVR System with 4 IR Dome Cameras: * 500GB hard drive * 1/3" Sony CCD sensor * 4mm focus-free fixed lens * Night vision range up to 50" * Pentaplex operation * Remote viewing * High-performance embedded microprocessor * Video motion and video loss detection * Camera locking and privacy masking * Videos can be remotely viewed on smartphones * Includes two 12VDC camera power supply transformers, 2 power supply splitters and four 100" BNC to BNC CCTV cables