LOUD ALARM & ADJUSTABLE VOLUME: Up to 113dB LOUD alarm, scare off potential thieves effectively. Well-made alarm with great performance. 3 lever adjustable volume, don't worry about the alarm is extremely loud or not loud. ADJUSTBALE SENSITIVITY & WATERPROOF: 7 level adjustable sensitivity from gently touch to push or beat, easy to set it as your need. IP55 waterproof, suitable for outdoor use. REMOTE CONTROL: Wireless control by remote, strong wireless range up to 66ft (20.1m). Vehicle search function, easy to find your vehicles in parking lot, 3 kinds of bells for your choice. EASY TO INSTALL & USE: Super easy installation by pasting with double-sided sticker or tying it with strap. MULTI-PURPOSE ALARM: Vibration triggered alarm suitable for Bikes, Electric Bike, Motorcycles, Scooter, Car, Trailer, Luggage, Doors and Windows...Remote control arm or disarm. An alarm need 3 x AAA alkaline batteries (included) standby for 6-10 months A remote need a 12V/27A alkaline battery (included) Wireless range: 10-20 meters Working environment temperature: -20-60 degree, Working environment: Less than 80% Storage temperature: -30-70 degree Colour:Black Material:Plastic Package Contents: 1 x Bicycle Alarm Bell 1 x remote 1 x screwdriver(Colors and styles are random, no specifications are accepted) 1 x Triangle Bracket(Color is random, no specification is accepted) 1 x Zip Ties 2 x Double-sided Tape 1 x English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.