Features1110dB anti-theft alarm, suitable for electric bikes, bicycles, motorcycles, and tricycles. 23D sensing technology, 7 levels of sensitivity, accurately sensing vehicle dynamics. 3IP65 waterproof and dustproof, USB-C charging,one charge can be used for 1-3 months. 4Three installation methods, suitable for different models. 550-70m long remote control distance, equipped with 3 kinds of electric bell sounds, convenient for finding a car.SpecificationFearures:110dB anti-theft alarm, suitable for electric bikes, bicycles, motorcycles, and tricycles.3D sensing technology, 7 levels of sensitivity, accurately sensing vehicle dynamics.IP65 waterproof and dustproof, USB-C charging,one charge can be used for 1-3 months.Three installation methods, suitable for different models.50-70m long remote control distance, equipped with 3 kinds of electric bell sounds, convenient forfinding a car.Specifications:Host battery: 3.7V 700mAh lithium batteryDaily use for 1~3 months, continuous standby for about 6 monthsCharging interface: standard USB-C 5V (some fast charging heads are not compatible)Remote control battery: 1 CR2032 (3V) button battery1~2 years of daily use (calculated by remote control 5 times a day)Waterproof grade: IP65 waterproof and dustproofTransmitting and receiving frequency: 433.92MHzWorking environment temperature: -40~+70 DegreeCWorking environment humidity: