This is high sensitivity vibration sensor. It act like a normally open switch, when it senses vibration, the terminals touches together and create a short.

It is sealed and reliable, yet low cost vibration sensor. You can apply it to toy, household appliance, sport equipments, burglar alarm or security sytem.

Features:

• Small and compact

• Act like normally open switch

• Highly sensitive to vibration/movement (contact)

• Low power

• Dimension: 4.5mm (diameter) x 14mm