Feature: Vibrationally triggered alarm suitable for Bikes, Motorcycles, Doors or Windows 7 level adjustable sensitivity from gently touches to push or beat Detering thieves effectively by 113dB loud alarm Easy to find your vehicles by 6 kinds of bells with IP55 waterproof pc material shell Installation by pasting with double-sided sticker or tieing it with strap Specification: An alarm need 3 AAA alkaline batteries (Not Included ) standby for 6-10 months. A remote need a 12V/27A alkaline battery ( included ) standby for over 1 year. Wireless range: 10-20 meters Working environment temperature: -20~60 degree Working environment: <80% Storage temperature: -30~70 degree