... Audio input 1CH Audio out 32CH DVR Support wireless product describe Main Processor and Operating SystemUse the ... operation simultaneously:Preview,recording,playback,backup,network live,mobilephone viewControl ModeSupport wireless, wired mouse, the front panel, ... Alarm outputNetwork interface1pcs RJ45(10/100M/1000M Adaptive network card),3G,WIFI )USB interface2PCS USB2.0 interfaceHDD interfaceSupport ...