ITEM NAME:Shock Tap Sensor Vibration Switch Module Piezoelectric Sheet Percussion For D3Y2 Shock Tap Sensor Vibration Switch Module Piezoelectric Sheet Percussion For D3Y2 Model Number:ï ¼Å¸Vibration motor sensor Theory:ï ¼Å¸Current Sensor Usage:ï ¼Å¸Vibration Sensor Output:ï ¼Å¸Digital Sensor Operating voltage:ï ¼Å¸5.0V(DC) Interface type: AD/DO Colour:blue Material:Metal + plastic Size:20*20mm Package Contents: 1* modules.Model Number:ï ¼Å¸Vibration motor sensor. Usage:ï ¼Å¸Vibration Sensor. Interface type: AD/DO. Theory:ï ¼Å¸Current Sensor. Output:ï ¼Å¸Digital Sensor.