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●Magnetic door window alarm sensor 120dB alerts a person to a door or window opening.
●Prevent children going out the house without notice. Also ideal entry warning for your home, office, apartment, garage and so on.
●Ultra-thin door and window alarm with 2 adjustable settings (off/on).3*LR44 batteries included.
●Easy installation, No wiring needed! No screws needed! Included double sided tape!
●Ultra-sensitive also Low battery indicator to check battery life.
Power Supply: contain LR44 * 3pcs
Durable work for long time.
Suit for drawer/refrigerator/door/window,protect your life.Security Alarms For Home.
The Security Protection Is Easy to install
1.Measure the place where you want to install.
2.Tear the sticker.
3.Put it to the location where you want to protect.