Bullkartzone One-way Bike Alarm Kit  (Siren 110 dB)

Alarm Disc Lock is a practical solution for bikers to protect their beloved motorbikes or scooters while parking outside or at home. Made of high quality stainless steel case, guarantee high security and firmness for your motorbike Durable and Waterproof Made in waterproof stainless steel case, the inner silicone rubber gaskets on the edge of the alarm device effectively keep out the rain or splash. With waterproof function, keep working in rainy days and never get rusty. Steps To Use: 1. Press the lock button to lock the disc brake, and you will hear the sound "beep". When the lock is vibrated, the lock will give off an alarm "beep beep beep" three times When vibrated again,it will give off an continuous shrill alarm for 10-12 seconds.And it keeps alarm with serial vibration. 2.It takes 3-5 seconds to open the lock , if the key does not match, it will give off an alarm. Use the right key to open the lock, the alarm will stop at once.