... H.264 4ch standalone triplex dvr Features: Adopts the standard Main profile H.264 compression technology D1 and CIF can be adjusted. supports 4ch recording, Network ... record, playback, backup, network transmission, mobile phone ... High Speed Camera, Wireless CCTV Camera,IP CCTV Camera.Stand alone DVR Recorder production line contains: 4/8/16 channels 3G Stand Alone DVR, H.264 DVR, CIF DVR, D1 DVR ...