🎄 Mini Size: 65mm*45mm, Compact with creative design..🎄 Waterproof: PC material shell, IP55 waterproof, can use for outdoor..🎄 Super Loud Burglar Alarm: 113db, will be a great deterrence. 7 level adjustable sensitivity. Not only design for Bicycle, Motorcycles, can also works with e-bike, scooter, door and window..🎄 Easy Operation & Installation: With Remote Control, it's convenient to arm, disarm alarm, One-key find vehicle. Remote control distance up to 20m. Two install methods, paste it with double-sided sticker or tie it with straps..🎄 Expandable: If you need extra remote controls for family member or just for spare. Just can order additional remote control.