Vibration switch sensor module KY-002 FOR ARDUINO; This switch is open (OFF) when still state When the external force to touch and to achieve a proper shaking force or movement speed to achieve appropriate (partial) from heart conductive pin will momentarily conduction (ON) status change electric property when the external force disappears electric property open (OFF) is resumed. prefix = o ns = "urn:schemas-microsoft-com:office:office" . Omnidirectional any Angle can trigger job. Type bottom has P word is completely sealed packaging can be waterproof dustproof. Circuit may trigger sensitivity need to choose suitable for the sensitivity of the switch. This switch is suitable for small current trigger circuit.