1.[Multipurpose Bike Alarm]Motion sensor bike alarm has great bike anti-theft function. Vibration trigger alarm is very suitable for bicycles, motorcycles, electric bikes, electric scooters, and so on. You can also install a vibration alarm for your door or window, which will trigger the alarm when someone tries to open it. 2.[7 Levels Adjustable Sensitivity and SOS Emergency Alarm]The 7 levels of sensitivity are adjustable from gentle touch to push or beat, you can be easily set according to your needs. This bicycle burglar alarm also has SOS emergency alarm. 3.[3 Levels Adjustable Volume and IP65 ]Motorcycle bicycle anti-theft alarm have up to 113lb LOUD alarm, scare off potential thieves effectively, and attract people's attention. Wireless bicycle alarm also has a three-level volume adjustment function, so you don't have to worry about the volume being extremely loud or not loud. IP65 waterproof, very suitable for outdoor use. 4.[Wireless ]Bike security alarm wireless control by remote, strong wireless range up to 20M or 66FT. Vehicle search function, easy to find your vehicles in parking lot, 3 kinds of bells for your choice(Not available in armed mode). Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.