Features: Experience unparalleled security with our wireless door stop alarm featuring a high feedback vibration sensors and a powerful 130db alarm, designing to deter intruders effectively. This device boasts efficient battery for extended use, wireless installation for hassle frees setups, and a nonslip silicone base for stability. Ideal for homeowners, hotel managers, and shop owners seek reliable security solution. Perfect for safeguarding door and window in homes, hotel, and retail spaces, this alarm sensors protects door, window, drawers, and cabinets effectively. Its user friendly design and intuitive operation making it accessible to everyone, providing peacing of mind and enhances safety across various environment. Specifications: Component:ABS Size: Approx.98x43.5x28mm/3.85x1.71x1.1inch Color:Black/White Quantity:1pcs/3pcs Package Includes: 1pcs/3pcs Wireless Door Window Sensors Alarm note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.