Disc Lock with Alarm Disc Brake Lock Motorcycle Alarm Lock Anti-Theft Security Wheel Disc Lock 110dB Alarm Waterproof Battery Operated with Disc Brake Lock Reminder Cable 2pcs Keys for Motorbike Bike Scooter Features: Professional disc lock to keep your motorcycle, scooter, moped, or bicycle from getting stolen. Waterproof anti-theft disc brake lock, no worry in rainy days. Made of sturdy materials, anti saw, anti shear, and anti-corrosion, perfectly protect your vehicle. Fits all drilled brake rotors less than 7mm (1/4 inch) thick. It will make 110dB loud sound when the built-in sensors detecting shocks and movements. Easy e, press to lock, and unlock with key. Wide scope of application, it suitable for most vehicles, such as disc brake motorcycles, electric vehicles, bicycles, scooters. Equipped with a spring steel wire rope to prevent you from forgetting to unlock the lock. Using Guide: 1.Press the lock core, it will be locked and you will hear the sound "Du", which means it is coming into the alarm situation, after 15 seconds. When the lock body or vehicle is vibrated again, the lock will give an alarm "DU DU DU". When the lock is vibrated again, it will give an alarm and keep alarm with serial vibration. Each alarm will last 10 seconds. 2.Use the key to open the lock, the alarm will stop at once. Battery Replacement: 1.When you hear the sound "Ge. Ge.Ge...." constant voice or the alarm voice less than 10 seconds and stop alarm at once, that means the battery will be worn out, you need to replace the battery. Please use the provided spanner to spin out the four screws, then take away the top cover and replace the battery. Please pay attention to"+" and "-" 2.At regular intervals, clean the keyhole and the pin. Specifications: Material: Aluminum alloy Alarm: 110dB Power Supply: 6 * AG13 button battery Item Size: 90 * 73 * 40mm / 3.15 * 2.87 * 1.57in Item Weight: 324g / 11.44oz Package Weight: 360g / 12.71oz Package Size: 18.8 * 12.2 * 4.7cm / 7.40 * 4.80 * 1.85in Package List: 1 * Lock 1 * Hex Key 1 * Reminder Cable (random color) 2 * Key