... System, Alarm System, Parking System and so on.(Signal splitter video splitter) 2.2way Signal splitter is used to Monitoring System, Alarm System, Parking ... inport and export.Power supply9V(DC),500mA,UL/CSA/CE(certification),USBpower supply(options)power4.5W 2 way Signal&video active splitter (HS-VD2)