1- Uses a three-dimensional displacement sensor for more accurate detection. Supports remote control to trigger ringing and quickly locate bicycles or motorcycles. 2- 7-level adjustable sensitivity, suitable for various environments. Ensures reliable protection for your bicycle. 3- 6 alarm sound options with a 113dB loud alarm to effectively deter theft. 4- Waterproof and durable ABS construction allows permanent installation on bicycles or electric vehicles, safe for use in all weather conditions. 5- 113dB security alarm: Produces a loud warning sound when triggered, providing strong theft deterrence. Designed for bicycles and motorcycles, also compatible with e-bikes, scooters, doors, and windows. 6- Waterproof bicycle alarm: ABS material shell with IP55 waterproof rating, suitable for outdoor use. 7- Easy to install: Includes two mounting optionsdouble-sided sticker and strapsfor secure and stable installation on bicycles, motorcycles, cars, or other equipment. Color: Black Material: ABS Package Contents: 1 x Bicycle Alarm (3 x AAA batteries not included) 1 x Remote Control 2 x Cable Ties 2 x Double-sided Stickers 1 x Screwdriver 1 x Battery Compartment Opener 1 x User Manual Note: The package includes only the items listed above. Other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.