High-quality anti-theft device: disc lock with 110 dB alarm 1. Alarm function: The disc lock for motorcycles is equipped with a powerful alarm function that triggers a 110 dB alarm when movement or vibrations are detected. This volume is sufficient to deter potential thieves and attract the attention of passers-by. The alarm ensures that your motorcycle is optimally protected both at home and outdoors and prevents theft. 2. Robust and waterproof design: The lock is made of high-quality stainless steel and has a sealed aluminium housing that protects against moisture, dust and dirt. This design makes the lock completely waterproof and shockproof, protecting the internal components in the long term. The functionality of the lock is guaranteed even under extreme weather conditions. 3. Easy to use: The disc lock can be locked effortlessly without a key. Simply pressing down on the cylinder activates the alarm function, which is confirmed by an acoustic signal. If the lock is moved or vibrated, it first emits three warning signals and then triggers the alarm, increasing the security of your vehicle. 4. Versatile application options: The lock is suitable for most motorcycles and bicycles with brake discs less than 7 mm thick. It is also compatible with e-bikes, scooters, sports bikes and mountain bikes. This versatility makes it an ideal solution for different types of vehicles and offers comprehensive protection. 5. Long-life batteries and easy maintenance: The lock comes with an integrated AG-13 button battery, which can be easily replaced when a continuous clicking sound is heard. The battery can be replaced easily with an Allen key by loosening the upper screws. Alternatively, the lock can also be used without a battery as a normal disc lock, which underlines its versatility. Scope of delivery: 1 x disc lock 2 x keys 2 x waterproof membrane + cleaning cloth Note Dear customer, the lock comes with an AG-13 button battery. If you hear a continuous clicking noise, the battery is low and should be replaced promptly. Replacement is easy by loosening the screws and removing the top cover. Disc lock with 110 dB loud alarm protects against theft. Sensor detects movement and vibrations and triggers alarm to deter thieves and attract attention. Made of stainless steel and sealed aluminium housing. Completely waterproof and shockproof, protects internal components from moisture, dust and dirt. Locks without a key by pressing down the cylinder. Activates alarm with acoustic signal. Alarm sounds when movement or vibration is detected, deterring thieves. Suitable for motorcycles, e-bikes, bicycles and scooters with brake discs less than 7 mm thick. Provides comprehensive protection for various types of vehicles. Integrated AG-13 button battery, easy to replace when a continuous clicking noise is heard. Can also be used as a normal disc lock without alarm function.