Wireless Home Window Door Burglar Security Alarm System

• ❤【 Applicable to multiple】：Easily mounted by adhesive. Type to window or door. Ideal entry warning for homes,apartments,mobile homes,offices,hotel rooms,garages,and more！
• ❤【 Easy to use】： Magnetic alarm switch detects your door or window.Easy stick installation and operation, press on/off switch to power on/off then insert 2 PCS AAA battery (battery do not contain in the box),tear the double-sided adhesive on the backpack, paste the door knob alarm on your target position.
• ❤【 Super loud 90 dB alarm】： When someone opens the door or window illegally (the relative position of the primary and secondary parts changes), the alarm can issue a strong alarm, warning the intruder to leave and remind the owner. prevent kids and babies going out the house, protecting your home or office whether you are in or out.
• ❤【 High quality】： Super suitability and stability. 100% New and high quality.

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