2 In 1 Secure Long Bike Motorcycle Bicycle Siren Alarm Lock

1. Auto-alarming and locking system2. Strong material, anti rust3. Electroplated4. Hot processed, Hardened shackle5. Corrison resistant6. Resistant to physical abuse and tampering7. Resiliant bumper prevents scratching8. Waterproof, resistant against salt and hard weather9. Detects Shock and MotionAdvantages of this alarm lock:1. Aluminum material, light weight, easy to take.2. Can be fixed into bicycles even you ride the biccycles.3. Two functions, you can keep it as normal bicycle lock, or you can set it as a alarm lock.Dimension : 233 x 70 x 34 mmPackage Included: 1 x 14cm U Lock