... 4 channel standalone dvr,support SATA HardDisk, Mouse,USB,network,IE browse FEATURES:• Stand-Alone DVR, H.264 Compression • Playback resolution: 4 ... ), NTSC(525Line,60f/s)Video Input4 channel, BNC , 1.0V p-p/75ΩComposite Video Output1 channel, BNC, 1.0V p ... audioAlarm InputNo alarmAlarm OutputNo alarmAlarm ModeSensor Input, Motion Detection, Video Loss, Full Disk Space.NetworkEthernet (10/100M ),LAN,WAN ...