Anti-Theft Alert: Disc brake locks protect your beloved motorcycles and bikes from theft when parked inside or outside your home. Whenever someone tries to steal a motorcycle, a loud siren of up to 110 decibels will sound, blocking all possible malicious intent. Wide range of applications: Suitable for all kinds of vehicles with disc brakes up to 7 mm: motorcycles, electric vehicles, bicycles, motorcycles, scooters, etc. A great brake lock helps you deal with the safety of your beloved vehicle. Orange reminder line to remind you to remove the lock before getting into the car. Wide range of applications: Suitable for all kinds of vehicles with disc brakes up to 7 mm: motorcycles, electric vehicles, bicycles, motorcycles, scooters, etc. A great brake lock helps you deal with the safety of your beloved vehicle. The orange reminder cable reminds you to remove the lock before entering the vehicle. Simple operation: One-button operation is convenient to lock, just press the button and beep to enter the alarm state. When vibration is detected, it emits a three-beep warning to let potential burglars know it's armed. Then, if it is triggered again, it will sound a constant high-pitched alarm for about 10 seconds until it is opened with the correct key on the lock. ECONOMIC KIT: Alarm Disc Brake Lock Comes With A Small Wrench, Two Keys, Orange Reminder Cable and Black Storage Bag, Battery: 12 LR44 Coin Cell Batteries (Built-In), Long Time Use, Very Economical Lock Kit.