BIKE ALARM: Equipped with a 3D motion sensor inside, it easily identifies any movement; thanks to special optimized algorithms, it can accurately identify thefts and reduce false alarms. IP55 waterproof design, perfect for use as an anti-theft alarm for bicycles, scooters, motorcycles and even home windows and doors. ADJUSTABLE SENSITIVITY AND VOLUME: This bicycle security alarm offers 7 sensitivity levels, from a slight movement to a loud push, which can be adjusted according to the needs of the environment. The volume is also divided into three levels of 96dB, 106dB and 113dB with 3 different ringtones for your choice. LONG LIFE AND DISTANCE: This anti-theft bicycle alarm is equipped with 3 replaceable AAA batteries, which can be used for 1-3 months daily. Equipped with a super long-distance remote control, the detection distance of the lab can reach 50M/164FT, one-button arming/disarming function, easily locate your vehicle. SOS FUNCTION: SOS distress chime in line with