Specifications: Alarm noise level: 110dB Waterproof grade: IP54 Remote range: up to 164 feet (up to 229 feet outdoors) Alarm battery: 4.2V 700mah lithium battery (including) Remote control battery: 27a (12V) alkaline battery (including) Rechargeability: alarm battery only (USB C rechargeable) Alarm working time: about 1 ~ 3 months. The standby time is about 6 months Remote working time: 1 ~ 2 years (5 times a day) Operating frequency: 433.92mhz Working temperature: - 40 ~ + 70 ?, storage temperature: - 40 ~ + 70 ? Working humidity:<80% See more

?Widely Used? IP65 waterproof, act as a great bike theft deterrent. Vibration triggered alarm suitable for vehicle search, emergency alarms, remote horns. The zip ties and double sided tape make the alarm easily use on bicycle, E-bike, scooter, car, trailer, door, window and so on. ?3 Levels Adjustable? You can set it to trigger the alarm by a slight touch or actually have to handle the bicycle, which gives you a ability to tailor the alarm to your needs and individual situation. 3-level alarm volumes can be adjusted by remote control according to your needs. ?USB-C Rechargeable Battery? 3.7V 700mAh Li-ion battery is safe and durable, make the alarm well stand by 1 ~ 3 months. It's easy to charge the alarm by USB-C charging cable and any device with USB port, easy to use. ?Loud 110dB? Built-in high decibel security horn can make a loud sound to draw people's attention. 110dB Loud can effectively scare thieves away, can also be used as an SOS emergency alarm. ?Powerful Anti-theft Function? The motorcycle alarm is built-in motion sensor and vibration anti-theft alarm system, super loud alarm effectively deter thieves, protect your vehicle and belongings from being stolen.