IP65 waterproof and works both indoors and outdoors. Anti-theft alarms for bicycles, motorcycles, scooters, cars, electric bicycles, luggage, doors, windows, etc. Use this bike alarm in various scenarios such as city roads, narrow alleys and parking lots. It serves as a warning to pedestrians and other vehicles, reducing the risk of accidents and ensuring your safety. This bike alarm is designed with adjustable sensitivity and waterproof design, making it suitable for all weather conditions and providing reliable security for your vehicle. Say goodbye to constantly changing batteries. This USB rechargeable bike alarm eliminates the hassle and provides long-lasting power. Stay protected without worrying about running out of Ensure the safety of your vehicle with this motorcycle alarm featuring a loud 113 dB volume, deterring potential thieves.