... channels Realtime full D1 recording or 2 channels real time full D1 + 6 channels real time full CIF recording, ... , Android, Symbian and Windows mobile, module by USB 2.0 portMultiple control methods:front panel,IR remote ... controller,USB mouseSupport 2*USB 2.0 port for mouse,backup,DVD ... * 330MM (length) * 58MM (highly)Weight2.38KG 4CH Full D1 Real Time H.264 CCTV DVR