Anti-theft security alarm: This disc lock is equipped with internal sensors and can detect vibration and movement. The 110dB alarm system deters potential thieves and is convenient for cyclists when parking outdoors or at home. Practical Use: Made of aluminum alloy, this disc lock is sturdy and durable, waterproof, high temperature resistant and suitable for outdoor use Weather conditions Easy to use: Press the lock core to start the locking process, no key required, and 5 seconds later there will be beeps indicating the alarm has been activated correctly. Use the key to deactivate the alarm. Widely used: Suitable for most motorcycles, mopeds, yachts, scooters, sports motorcycles and racing cars with a thickness of less than 7mm. < li>Package Contents: 1 x Alarm Disc Lock (Batteries Included), 2 x Keys, 1 x Allen Key, 1 x Waterproof Jumper Cable, 1 x Motorcycle Lock Bag Product Description Anti -Thief design This disc lock with 110dB alarm. This motorcycle anti-theft device is