DC5-12V 3 Channel Video Switcher Module 3-way Switch for FPV Transmitter /Camera
Switcher Module X1. Port "in" is video signal input, IN1, IN2, IN3, OUT is video signal output, "-" is negative, "+" is pause, "S" is receive video signal. 45 In 1 Sensor. Video signal impedance: 75Ω.