... realtime recording Dual encoding streams TV output USB Dahua 10" Touchscreen combo dvr with built-in lcd monitor: ... •4/8 channel combo standalone DVR•Built-in 10 inch LCD up to 4/8 cameras with HD ... TV, BNC(1.0Vp-p, 75?), Built-in 10 inch LCDAudioInput4 channel, BNC(200-2800mV, 30KΩ)Channel 1 ... : 1~30 sec., Post-record: 10~300 sec. System Connection Dahua 10" Touchscreen combo dvr with built-in lcd ...