Wireless Anti-Theft Alarm for bicycles featuring a built-in motion sensor and vibration detection. When someone touches or moves your bicycle, the alarm emits a loud 110dB sound to attract attention and deter theft. Includes a vehicle locate function with up to 70 meters remote control range, helping you quickly find your bike in crowded parking areas. Equipped with 7 adjustable sensitivity levels, this bike alarm detects various movements including vibrations, tilts, and impacts, making it suitable for different environments and vehicle types such as bicycles, electric bikes, motorcycles, and other vehicles. Default setting is high sensitivity. Can also be installed on doors or windows for added security. Designed with IP65-rated waterproof and dustproof protection, constructed from high-quality PC and anti-UV materials to withstand rain, sunlight, dust, and snow. Built-in 3.7V 700mAh rechargeable lithium battery with power-saving technology provides up to one month of operation on a full charge, depending on usage frequency. Features a bright rear light with 5 modes: Slow Flashing, Breathing, Fast Blinking, Steady Light, and OFF, easily controlled via wireless remote. The brake light automatically activates for 2 seconds when braking, enhancing visibility and safety during day and night rides. Easy to install with included mounting bracket and cable ties. Bracket fits standard tube installations; cable ties allow secure mounting on irregular surfaces. Combines theft deterrent and safety lighting functions, ideal for use on bicycles, mountain bikes, motorcycles, skateboards, and electric tricycles. What You Will Get: 1 x Bike Alarm with Tail Light