H.264 compression format 8-channel real-time record standalone DVR Easy backup method,by ... rate configurable; Flexible Display mode : Full Screen, Quad, nine split (8-channel display); Multi-method searching: Time, Recording event (Alarm, motion ... input8k8bit, AV X2 (2CH record )Audio output8k8bit, AV X2Alarm input:8-CH optocoupler inputAlarm output:Relay output, NO , NC, COMNetwork InterfaceRJ45 ...