Module Description 1.The module installation forefront of collision, the module output low, there is no collision, the output high. 2.Module reserved M3 mounting holes for easy fixing in a small car. 3.Module size: 2.5cm * 1.9cm . 4.with a light switch, there is a collision, lights, no collision lights out.
Module Pin Description 1.VCC: 3v-12v power supply 2.GND: then the power ground 3.OUT: high and low output