Description
This alarm device adopts magnetic induction technology that is specially designed against window/ door break-ins. Once the door or window is broken in the unit will sound the alarm.It can be universally used for home guardance, company surveillance, warehouse watch, or used even as a secret drawer lock.High portable device with easy setting and very little cost.Sticker is supplied for free in the package. Powered by three 1.5V LR44 button cells(also included). Your perfect property guard!
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