Wiseup&trade; 4Ch Realtime Color Video Quad Splitter CCTV Security Mulitplexer Processor OSD Menu with Audio 4ch real-time display 4ch audio input, 1ch audio output 2ch video output Support multiple display mode each image resolution adjustable auto sequential switching picture-in-picture Each picture-in-picture position is adjustable each image channel can be renamed digital zoom function (zooming area can be moved) multiple video freeze (multiple video images can be froze on different channels at the same time) Motion detection/alert video loss detection/alarm 60 groups event records Motion detection area or alarm duration time are adjustable ir remote control