Size:Medium | Color:Silver Boinchen for Your Motorbike Boinchen 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 securtity and firmness for your mororbike. 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 in case this is an accident.When vibrated again,it will give off an continuous shril alarm for 10-12 seconds.And it keeps alarm with serial vibration. 2.it will cost you 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. 3.The Reminder cable/cord has a loop at each end,to connect your disc lock to your handgrip.It will remind you to remove the lock when you are going to for a ride. Battery Replacement When you hear the sound "Ge Ge Ge..."constant voice or the alarm sound less than 10 seconds and stop at once, that means the battery is going to be exhausted and you need to replace them. Please use the Mini Wrench we provided to spin out the fours screw at the bottom,take away the shell and replace the battery. Pay attention to the anode "+" and cathode "-". Product Specification: Size:15*18*4cm Material:High grade Alloy steel Battery:Zinc battery (6pc inside,6pc back up）
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