4 Channel Automatic Video Switcher for Automotive Cars Input Signal Video: 4CH Video Signal CVBS (1Vp-P, 75ohms) Input Signal Trigger: 4Ch Trigger Signal (12VDC ~ 24VDC) Output Signal Video: 1CH Video Signal CVBX (1Vp-p, 75ohm) Operating Temp: -20C ~ 60C / Storage Temp: -30C ~ 80C Power Source: 12VDC ~ 24VDC / Power Consumption: 3.6W