Door Window Alarm,110DB Door Alarms for Kids Safety, Wireless Sensor Door Window Burglar Alarm-Window Pool Alarms for Home (3PCS)

Applicable to a couple of scenarios — 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 make use of — Magnetic sensor 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 at the backpack, paste the door knob alarm to your target position.
Super loud 110dB alarm — When any person opens the door or window illegally (the relative position of the principle 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 home, protecting your house or place of job whether you are in or out.
Top of the range — Super suitability and stability. 100% New and Top of the range
Package include 3 packs super suitable, stable, dustproof window door alarms