Door Window Alarm 4 Pack New Version with Two Volume Levels Magnet Triggered Burglar Intruder Entry Sensor Alert for Home Security with Batteries Included

upgraded alarms for doors and windows with volume control: provides 120db (high) and 90db (low) two levels for your choice: a simple-to-use, cost-effective security solution to protect you and your family against home invasions, thanks for loud enough not only to cause a huge shock to the thief or intruder, but also to wake you up. Also ideal for preventing your children babies from going out by opening doors or windows without notice. Not only can it be used to protect your family's safety, it also can be used to remind the forgetful old people that the doors and windows are not closed. You can even use it to keep a sleepwalker inside and prevent any accidents.
Features: 1.3
setting: HIGH (120db) /OFF/LOW (90db) 2. Portable Wireless Magnetically Triggered Door Window Alarm Sensor. 3. Easily mounted by double-side adhesive tape. 4. Powered by 3 pcs LR44 batteries included. 5. Please keep the alarm and sensor close enough, gap less than 10mm. door window alarm is perfect solution for indoor personal security which can be used for bedrooms, hotels, garages, apartments, dorm rooms, shops, offices, RVs, windows, doors, balconies, sliding glass doors and more. To protect your loved ones, security is one of the best gifts so buy Door Window alarm now for every door and window today and show them you care.