LTS LTD7904-A 4-Channel H.264 Pentaplex Network D1 DVR; Pentaplex mode: recording, playback, setup, backup, network and mobile phone surveillance simultanously; Support 1 BNC mainout Pentaplex mode: recording, playback, setup, backup, network and mobile phone surveillance simultanously 4CH CIF simultaneously playback with 2CH audio; Max. resolution of VGA output is 1280x1024 Various searching modes: time, event (motion detection), recording file list, image Powerful remote surveillance, playback, recording, control, menu setup, recording backup Perfect support of IPhone, IPad, Blackberry, Google phone, Symbian and Windows mobile