A. Bicycle anti-theft sensor with remote function, adjustable sensitivity, wireless design, and alarm sound up to 110 decibels. B. Miniature, delicate and compact design, easy to hide and install. C. The extremely loud 110-decibel bicycle safety alarm can emit a huge sound to attract others' attention and can also be used as an emergency distress alarm. D. Multifunctional bicycle alarm: The vibration-triggered alarm is suitable for bicycles, motorcycles, electric bicycles, electric scooters and homes. E. Easy to operate and install: Equipped with a remote control for easy arming and disarming of the alarm, and one-key bike search. The remote control distance can reach 20 meters. F. Due to different light and screen settings, the product color may vary slightly from the picture. G. Due to size differences, slight size deviations are allowed. H. Dimensions: 15.4×4.3×10.3. I. Shipping color: Black. J. Shipping quantity: 1 set.