ITEM NAME:10pcs Waterproof Electronic Vibration Sensor Switch for Electric Car Alarm A#S Product Description Description: 100% Brand new and high quality Introduction: the vibration sensor, is made up of metal and plastic pipe manufacturing, high sensitivity, the product is not affected by outside noise interference, etc Operating characteristic: there are bearing resistance, the vibration resistance changes with vibration stress This product is generally used in electric cars, car alarm. The product appearance has a heat shrink tube packaging, can waterproof, moistureproof, dustproof. Electrical characteristics: Voltage: