The vibration sensor from skylink, VS-433, is a great security device. You can use it to protect just about anything. The moment the object vibrates or is moved from its place forcibly, the sensor will send out a signal to the main emergency dialer or other security consoles.

• Detects vibration/movement and sends a signal to the Skylink Security System or Emergency Dialer when moved.
• Works with the Skylink Security System.
• Can be used on RV's, boats, cars, drawers, or other valuables.
• 9V Alkaline battery included.
• Range up to 100ft.