SECURITYBIKE Premium Ultra Loud Bike Alarm, Features:, 1. Made of high quality metal that is anti-corrosion, wear resistance, solid and durable for long time use., 2. Use the high sensitivity defense probe, very safe., 3. Mini appearance, it’s convenient to carry anywhere you are heading to., 4. Microcomputer control, high reliability., 5. Specially designed for bike, install it to keep your bike safety., Specification:, Condition: 100% Brand New, Item Type: Bike Lock, Material: ABS, Battery: 9V battery(not contained), Alarm decibel: <110db, Dynamic current: <100ma, Work temperature: -15 ~75 Celsius degree, Store temperature: -40~85 Celsius degree, Environment humidity level: 5%~98%, Weight: Approx. 103g / 3.6oz, 1 * Lock, 1 * Remote control, 1 * Manual, 1 * Installation package, COLOR as image CERTIFICATION NONE TYPE 1 candado TYPE 2 candados de seguridad TYPE 3 ciclismo accesorios de bicicleta TYPE 4 antivol velo TYPE 5 security lock TYPE 6 smart bike lock