... ,4 channel standalone dvr,support SATA HardDisk, Mouse,USB,network,IE browse FEATURES:• Stand-Alone DVR, H.264 Compression • Playback resolution: 4 ... CD-RW (Option: DVD-RW), USB 2.0 and NET backup supported • PTZ camera control in local and remote ... 50f/s), NTSC(525Line,60f/s)Video Input4 channel, BNC , 1.0V p-p/75ΩComposite Video ... W:2.5KG G.W: 2.8KG 4 Channel Standalone DVR, H.264 Compression DV-7504