Waterproof Bike Alarm with Remote This anti-theft alarm triggered by vibration, with 113 dB loud alarm sound can help to deter thieves effectively, provide additional security and give you peace of mind when your vehicles park at home or outdoors. There are 7 levels adjustable sensitivity from gently touch to push or beat. And 3 adjustable volume up to 113 dB. Multipurpose Bike Alarm Motion sensor bike alarm has great bike anti-theft function. Vibration trigger alarm is very suitable for bicycle, motorcycle, electric bike, electric scooter 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.