[A Thief's Nightmare]The alarm panel lock is a must-have for indoor and outdoor locomotives, motorcycles and bicycles. Built with sensitive sensors, once it detects vibration or movement, it emits a 110 decibel sound to deter any thieves trying to move your vehicle or pick a lock. [Cylinder ; Key]This motorcycle lock is equipped with our self-developed aluminum alloy lock cylinder and copper key, which is smoother than ordinary round hole keys of other brands. The motorcycle anti-theft lock body is firm, with good sealing performance, and can withstand different degrees of collision. Don't worry about using it in rain or other extreme weather. [Easy to use]This disc brake lock can be locked just by pressing. After 3 seconds, you will hear a beep and you will be in alarm mode. A reminder cord is attached to remind you to remove the lock before riding. [Wide range of application] Motorcycle locks are suitable for all vehicles equipped with disc brake pads. Available on most motorcycles, bicycles and e-bikes. [Durable]The motor disc lock contains an extra set of backup batteries. The battery is durable and easy to replace. If the alarm is triggered 10 times a day, the battery life is about 6 months. When you press the lock cylinder and the device keeps beeping, it will remind you that the battery is exhausted and you need to replace the spare battery we provide Size: 9*6.9cm Color: yellow Packing list: 1pcs