Compatible with bicycle vibration alarms, features USB charging and remote control, and anti-theft function.

Upgraded Bicycle Security: Ensure the safety of your bike with our advanced bicycle anti-theft alarm system. It features a high-decibel alarm, wireless communication via remote control, and powerful anti-theft capabilities. User-Friendly and Versatile: Equipped with a USB rechargeable battery, this alarm system eliminates the need for frequent battery changes, making it more environmentally friendly. Its wireless design eliminates the need for wiring, simplifying installation. Portable Protection: Compact and lightweight, this system is compatible not only with bicycles but also with other vehicles, providing comprehensive security. Specifications: Main unit built-in battery: 3.7V 700mAh lithium battery, daily use battery life 1-3 months, continuous standby battery life approximately 6 months. Charging interface: Standard USB-C 5V (incompatible with some fast charging heads). Remote control battery: WL03C: 1 x 27A (12V) alkaline battery, daily use battery life 1-2 years (based on 5 remote controls used per day). Waterproof rating: IP65 waterproof and dustproof. Transmit and receive frequency: 433.92MHz. Operating ambient temperature: -40 to +70 °C. Operating ambient humidity: below 80%. Storage ambient temperature: -40℃ to +70℃. Due to different batches, the product appearance and printed text may vary, but this does not affect use. Color: Black. Material: PC. Package contents: 1 x Bicycle alarm set. Only the above package contents are included; other products are not included. Note: Light reflection and different monitors may cause the color of the item in the picture to be slightly different from the actual product. The allowable measurement error is +/- 1-3 cm.