Sell Alarem Home Security Antitheft Door Window sensor best price

We sell Door Window Alarm doors home security devices. This alarm is very easy to installl (just attached to your window or your home). It is equipped with a magnetic sensor that responds when the window or door is opened when the alarm is on. How to installl: - put the anti-theft alarm on the leaves of the door / window using the existing super double tape. - attach the alarm sensor to the door / window frame using the existing super double tape, with the position parallel to the alarm. - do an alarm function experiment by turning the alarm switch into an "ON" position, then the door / window opens. When the alarm goes off, the installlation is correct. Attention: The item is checked before it is delivered and is free of defects or defects and is checked for completion, so no return ya sister.