【Multifunction Bicycle Alarm】 multifunction bicycle alarms with remote is a security device designed to protect your bike from theft. It typically comes with a variety of features such as a loud alarm, motion detection, and remote control, among others. Can effectively prevent theft of bicycles. This electric bike alarm with vibration trigger alarm system is perfect for use in bicycles, motorcycles, electric bikes, electric scooters, doors and windows.<br>【Loud Alarm & Adjustable Volume】Up to 113dB super loud wireless bike alarm, scare off potential thieves effectively. Well-made alarm with great performance. 3 Levels Adjustable Volume, scooter alarm system anti theft with volume up to 113db, can scare off anyone and attract people's attention. Bike alarm anti theft also has a three-level volume adjustment function for selection.<br>【Easy Installation and Waterproof】Easy install, two install methods: remote alarm motorbike paste with a double-sided sticker or tie it with a strap. The e bike alrarm comes with a double-sided sticker and strap and can be installed by pasting or tieing. No screws or wiring are required. The mini size 65mm*45mm exquisite and compact design is easy to hide and install. IP65 Waterproof, suitable for outdoor.<br>【Wireless Remote Control】This mobility scooter alarm system with motion sensor wireless control by remote, strong wireless range of up to 20M/66FT. Vehicle search function, easy to find your vehicles in parking lot, 3 kinds of bells for your choice（Not available in armed mode). Wireless remote control operation, easy to use, remote control range up to 20M/66FT.<br>【7 Levels Adjustable Sensitivity & SOS Emergency Alarm】The 7 levels of sensitivity are adjustable from gentle touch to push or beat, which you can easily set according to your needs. This electric bike alarm is also with an SOS emergency alarm function. Best anti theft alarm for bikes can sound like SOS reminding others to help when an accident has happened.