Universal Stainless Steel Chrome Motorcycle Rotor Disc Lock Alarm Motor Bike Brake Disk Security ATV Quad XQ

How to use: Lock it with the key. (Insert the key into the hole with S) Insert the key into the other hole and turn it gently until your hear a beep. The alarm is now activated. If you vibrate the lock, you will hear two beeps. Tampering with the lock will trigger the alarm. Alarm should be turned off prior to unlocking. Insert the key into the square hole and turn it gently.