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, ensuring reliable protection for your bicycle. Suitable for installation in various environments. 3- 6 different alarm tones available, with a 113dB loud sound that effectively serves as an anti-theft deterrent. 4- Waterproof design with durable ABS construction allows permanent installation on bicycles or electric vehicles without removal during adverse weather conditions. 5- 113dB security alarm: when triggered, the extremely loud sound provides strong theft deterrence. Designed for use with bicycles and motorcycles, also compatible with e-bikes, scooters, doors, and windows. 6- Waterproof bicycle alarm: features an ABS material shell with IP55 waterproof rating, suitable for outdoor use. 7- Easy to install: includes two mounting optionsdouble-sided sticker and strapsallowing the alarm to be securely attached to 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: Only the items listed above are included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error is +/- 1-3cm.