500GB Seagate SV35 HDD (expandable to 2TB) . 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. Minimum Illumination of 0 lux. Videos can be remotely viewed on Smartphones based on the Windows Mobile, Symbian, Blackberry, iPhone and Android platforms. Includes two 12VDC 1AMP camera power supply transformers, 2 power supply splitters and four 100" BNC to BNC CCTV cables