Wireless Door Window Alarm System - Home Security Magnetic Sensor Anti-theft. Protect Your Space Effortlessly with the New THH0290 Magnetic Sensor Alarm. This High-quality Security Device is Perfect for Safeguarding Your Home, Office, Hotel Rooms, and More. Featuring a Super Loud 90 DB Alarm, It Effectively Deters Unwanted Intruders, Whether You're Present or Not. Designed for Convenience, This Alarm Comes with a Handy ON/OFF Switch and is Easily Mounted with Adhesive Tape—simply Peel and Stick It to Windows, Doors, Cupboards, or Toolboxes. Its Portable Design Allows You to Take It on Business Trips and Vacations, Ensuring Your Safety Wherever You Go. The Electronic Magnetic Sensor Switch Detects Any Unauthorized Entry, Providing Peace of Mind and Enhanced Security. Quickly Test the Setup by Activating the Alarm System to Ensure It's Functioning Correctly. Features: - 100% Brand New and High Quality - Super Loud 90 DB Alarm - Handy ON/OFF Switch - Easy Adhesive Mounting - Electronic Magnetic Sensor Switch - Portable and Lightweight Design - Suitable for Home, Office, Hotels, and More - Includes: 1 Magnetic Sensor, 1 Magnetic Stick.