Feature: 1. Durable aluminum alloy construction with waterproof sealed gasket protects against moisture and dust. 2. Easy to lock with one-press operation. 3. Loud sound alarm keeps your bicycle safe from the thieves, easy to turn off the alarm with the keys. 4. Low power consumption, 110mAh battery can last for up to 2 months on a full charge; includes a type C cable for fast charging. 5. Suitable for the motorcycles, electromobile, bicycles and scooters with disc brakes, where the brake rotor is less than 7mm (1/4\") thick. 6. Reminder cable is included to remind you to remove the disc lock before riding and avoid potential damage. Specification: Features: aluminum alloy construction with waterproof sealed gasket protects against moisture and dust. Easy to lock with one-press operation. Loud sound alarm keeps your bicycle safe from the thieves, easy to turn off the alarm with the keys. Low power consumption, 110mAh battery can last for up to 2 months on a full charge; includes a type C cable for fast charging. Suitable for the motorcycles, electromobile, bicycles and scooters with disc brakes, where the brake rotor is less than 7mm (1/4") thick. Specifications: Material: Aluminum alloy Color: Black / Blue / Orange / Yellow (optional) Battery: 110mAh Charging Time: 1.5 hours Size: 9.7 * 6.7 * 2cm / 3.8 * 2.6 * 0.8in Weight: 372g / 13.1oz Package List: 1 * Lock 2 * Key 1 * Charging Cable Package List: 1 * Lock 2 * Key 1 * Charging Cable