Door and window anti-theft device, easy to install, stable and affordable
        

product Introduction:

  using electromagnetic induction technology, the installation is simple and the price is cheap. In the open state, as long as the doors and windows are opened, the machine will send a 90db alarm sound. Keeping you away from anti-theft doors and windows brings you inconvenience. Enjoy the sunshine and freedom.

Product Size: length 6 * width 3 * thickness 2cm

product use:

  installed in doors and windows, cabinets, computers, drawers and other places where others are not allowed to open the door, company, warehouse, etc., when thieves pry open doors and windows or computer cases; or when an outsider who stays in the hotel opens the door on a business trip, it will send an alarm. Please check it immediately to ensure that your property and safety are damaged.

Product use:

  just tear the laminating film ON the back of the security alarm burglar alarm and stick it to both sides of the door or window (leaving a gap of about 0-2cm). When you use it, just turn the switch to the "ON" position, it is in the standby state. If someone moves the door, computer case or window drawer or opens the gap of about 0.5-2cm, it will immediately sound an alarm to deter thieves and remind you to check, it will not stop until you turn the switch to the "OFF" position or you close doors and windows, computer cases, and drawers.

Product Power supply: this product uses 3 tablets of 1.5V LR44 button battery (already included in the machine). This product consumes less power.