Description of door magnetic alarm function:

 Prevent thieves from calling the police when they open the door or window

 Installation: magnetic control

 Alarm sound 90 db

 Use 3 1.5v batteries

Scope of use:2. Internet bar computer case alarm this product is easy to install, just paste the main and auxiliary parts respectively on the case cover and case, or two Windows, and align (leave about 5mm gap). When a case or window is illegally opened (the main and auxiliary parts are separated), the alarm will sound a strong alarm to warn the intruder to leave. Own to boot box, door, window, can be controlled by the switch. Apply to Internet cafes, residential, office, shop counters, such as security. Built in 90db alarm output using 3 1.5v LR44 button battery (included)

Product description:The product is small and exquisite, easy to install, and the double-sided adhesive tape provided is easily installed on the door or window. In our local, has been the residents, the police fully affirmed. Just paste the main and minor parts on the door and door frame respectively, or on two Windows, and align them (leaving about 5mm gap). Once the thief pry a door, pry a window, attempt larceny (advocate duplicate is detached), annunciator can send out strong alarm sound, frighten thief, remind master and the person around catch thief. When you want to open the door or window, it can be controlled by the switch. Apply to residential, office, shop counter security.

 Installation method:

1. Fix the host to the side of the door/window with double-sided tape.

 2. Glue another bar door magnet to the door frame along the host prompt line in a straight line.

3. When checking the Settings, set the host switch to the \"ON\" position.

 Open the door and see if the alarm sounds.