SPRO B6 8MP 8 Channels 5in1 with AIPart Number:  DHDVR12-B6-0TBRecorder Resolution  8MPAudio over co-ax  On each channelSMD (Smart Motion Detection)  YesPerimeter Protection  YesTripwire  YesIntrusion  YesFace detection  YesBNC Channels  8 ChannelExtra IP...