Loud Alarm and Adjustable Volume: Loud alarm up to 113 dB, effective deterrent to thieves and efficient protection against theft. 3-lever adjustable volume, don't worry about the motorcycle alarm being extremely loud or not loud.Remote control distance up to 30-50m, one-button armed, car easy to find. Type C Rechargeable Bike Alarm: Eliminate the hassle of changing batteries, vehicle anti-theft alarm It can be used for 1-3 months (calculated by vibrating the alarm 5 times a day after arming) on a single charge (3-5 hours). The charging indicator will automatically turn off when fully charged. Low battery reminder function helps you recharge in time to avoid power outage during use. Easy Operation and Installation Wireless Alarm: No wiring required for the alarm. The package comes with three different mounting tools: bracket, rolling tape, and double-sided adhesive stickers, which you can use to mount the alarm in any position you like. Suitable for all car models (please refer to the instruction manual for details). Super Sensitive Bike Tracker Theft Protection: Vibration, movement and tilt can be detected and trigger alarms. Accurately identify the theft. Seven sensitivity levels are available for adjustment, with initial default high sensitivity. Suitable for electric vehicles, bicycles, motorcycles and electric scooters. It can also be installed for your door or window. Waterproof and Dustproof Bike Alarm: Motorcycle theft protection made of PC and UV resistant material, resistant to high and low temperatures . IP54 waterproof, it is not afraid of wind, rain, cold and heat, suitable for all kinds of bad weather and can be used throughout the year. 46mm x 46mm mini theft device easy to hide, doesn't take up space.