Door Window Alarm 120DB Pool Alarm for Doors Magnet Sensor Home Security Burglar Alarm for Doors and Windows

Door/Window Open Alarm Security Sensor Portable and easy to install, you can use it to protect your family,office,apartment,etc. And it also can be used for business trips or vacations .It will be a good choice for preventing kids leaving house without notice. 120DB volume alarm will not only cause a huge shock to the thief, but also will wake you up from your sleep. Easy installtion: just tear the back of the stickers, and then find the suitable location and paste it on directly. (stickers are included) Battery Indication Function-- The device will keep flashing light when the battery is low,easily to replace the batteries and keep home security. Useful in following occassion- suitable for bedrooms, hotels, garage, apartments , dorm rooms,shop,office, sliding glass door. Features: 1.Portable Wireless Door Window Alarm Sensor 2.Easily mounted by double-side adhesive. Tape it to window or door . 3.Super environmental suitability and stability 4.Dustproof and insect prevention 5.Powered by 3 pcs LR44 batteries