Yohoolyo Alarm Disc Lock Motorcycle Disc Brake Lock Anti-Theft, Lk8307 (NEW Alarm Control Disc Lock 2 Mode Alarm System )When motorcycle lock and alarm settled, under this mode,up to 110 db alarm will automatically activate upon sensing any vibration or shock (Crash-resistant Disc Lock) This disc brake lock is constructed with forged stainless steel and easy to lock with one-press operation,just push down the button with a?Beep?sound into alarm status Under another mode,When you don't want the alarm goes off under locked, new alarm control system meets your needs for different situation use, such as at the night,in your home or garden (Double Assurance Disc Lock for Vehicle) It comes with two keys, it is ideal for motorcycles, bicycles, scooters and any vehicle where there are holes or spokes on a wheel.With waterproof function,keep working in rainy days and never get rusty (Sustainable Two Set Batteries and Portable Lock) 6 internal batteries and 6 back up for longer use. An Allen wrench to disassemble the lock and carry pouch for storage included.3 pcs security keys for every different lock with well-packed box (Wide Application Range Disc Brake Lock) YOHOOLYO disc brake lock fits for various vehicles with up to 6 mm disc brakes: motorcycles, electromobile, bicycle, motorbike,scooters etc