HALJIA 5PCS Collision Detection Module Crash Sensor Collision Switch Touch Switch Compatible with Car Robot Arduino Reedswitch Reed Switch

Feature: 1 The collision switch module outputs a low level voltage when there is collision, outputs high level voltage when there is no collision.2 M3 mounting holes for easily install on the car.3 Module size: 1.4cm*1.8cm4 with indicator light, collision, light;no collision, light off.5.pin description:VCC:3v-12v power supplyGND:connect with GNDOUT:high and low voltage outputPacking List:5*crash sensor15*Dupont cable