H.264 compression,4 channel standalone dvr,support SATA HardDisk, Mouse,USB,network, ... FEATURES:• Stand-Alone DVR, H.264 Compression • Playback resolution: 4 x CIF• Support capacity 2000GB• High quality video Display : ... p-p/75ΩComposite Video Output1 channel, BNC, 1.0V p-p/75ΩMonitor Video Output1 channel, BNC, 1.0V p-p ... H)WeightN.W:2.5KG G.W: 2.8KG 4 Channel Standalone DVR, H.264 Compression DV-7504