Bicycle Motor Bike Security Alarm Sound Cycling Lock

Specifications Waterproof attach permanently to your bike without worrying about having to remove it in bad weather Material Sturdy black plastic no metal parts to rust Fit for Bicycle Color Black Power supply 1 6F22 9V battery Not include Dimensions 98 60 35mm Weight 66gPackage Included 1X Bicycle alarm 4X screws 2X capnut 1X Use InstructioTraditional chains padlocks and U Locks only do half a job and can be pretty easily removed by those who know how but even the sight of this alarm will have even the most determined of thieves thinking twice If your bike is moved the alarm will spring into action and give off an ear shattering shriek for 15 seconds No thief will want to hang around when this alarm goes off 3 sensitivity levels allow you to determine how much movement is needed to trigger the alarm When triggered alarm had already sounded for 5 times If triggered again within 5 seconds it will sound continuously for 15 seconds Im sure sopowerful function must can protect your bicycle effectively