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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: 66g Package Included: -1X Bicycle alarm -4X screws -2X capnut -1X Use Instructio Traditional 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 so powerful function must can protect your bicycle effectively.
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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: 66g Package Included: -1X Bicycle alarm -4X screws -2X capnut -1X Use Instructio Traditional 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 so powerful function must can protect your bicycle effectively.