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 

Package Includes:
1/5x Sensor