Electric bicycle anti-theft system kit, waterproof, wireless remote control, vibration-sensing alarm, 150dB. Product description: Features - Versatile, works as an excellent bicycle lock. Vibration-triggered alarm function, suitable for bicycles, motorcycles, electric bikes, electric scooters, etc. You can also use the vibration alarm sensor for doors and windows. - Ultra-sensitive motion detection, 7 levels of adjustable sensitivity, from touch to push or tap, easily customized to your needs. Wireless remote control, range up to 20 meters/66 feet. - Loud 150dB volume, the bicycle anti-theft alarm emits a loud sound to attract attention. The 150dB sound can effectively scare away thieves and can also be used as an SOS emergency alarm. - Easy installation, waterproof, this bicycle anti-theft alarm can be attached with double-sided tape or secured with straps. No wiring or screws required. The waterproof rating meets the IP55 standard, suitable for outdoor use. Mini size, 3.7 inches * 1.6 inches * 0.8 inches. Exquisite and compact design, easy to conceal and install. Six different ringtones can be remotely controlled for easy vehicle location. Specifications: Wireless range: 10-20 meters. Operating temperature: -20~60 degrees Celsius. Dimensions