Wireless Anti-Burglar Alarm Entry Alarm against Door/ Window Break-in (RL-9805)

Wireless Anti-Burglar Alarm Entry Alarm against Door/ Window Break-in (RL-9805)
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/AG13 button cells (also included). Your perfect property guard!

Instructions:

• Use the double-side tape to fix the main unit at the side of the door.Attach the bar magnet to the door frame with the arrow aligning with the referrence line of the main unit.
• Test the setup by switching the system's switch to On position of the main unit and see whether the alarm can be triggered by opening the door or window.