VideoSecu 4 Channel DVR Video H.264 Network Embeded Stand Alone Security Digital Video Recorder Support Remote View iPhone Google Phone with 1500GB Hard Drive for CCTV Home Surveillance System 1YT 4 CH H.264 compression triplex real time industrial DVR with 1.5TB hard drive Two USB interface, one for data backup, one for mouse operation Support the live vide, parameter setting and copy playback video via network Support iPhone, Google Phone Package including: Digital Video Recorder. Manual. Power adapter. Remote Control