?【DUAL FUNCTIONS】Super loud 120DB alarm, off/beep/alarm switch allows you to customize the sound and alarm preferences to your liking. This Magnetic sensor window door alarm loud enough to detect entry, prevent kids and babies going out the house, protecting your home or office whether you are in or out. (Note Align the arrows on the alarm and magnet, and make sure the closing time Gap no more than 2cm).

?【Package Contents】9* Siren with adhesive tape (including 4pcs LR44 batteries), 1 * User Manual.

?【Easy to Install】Wireless Security Siren Just use the provided adhesive and stick it anywhere you need! Windows, doors and entrances are plain and simple with alarms. The minimum distance this device will work is 10 mm (0.4 in) Please ensure the two parts of the siren are as close together as possible.

?【Applicable Scenarios】It is a perfect solution for apartment doors, pool doors, windows, drawers, offices, hotels, etc. The 120 DB security alarm is perfect for signaling you when there is unwanted entry. The sound can be heard from over 750 feet, so people know they should stop what they're doing.

?【Worry-Free Service】After installing this product, you can live with peace of mind knowing that your home, belongings and loved ones are safe, if you have any questions, please feel free to contact us. 24 hours for your service, one year warranty