Material and build ABS plastic housing for reliable everyday use and easy cleaning. Surfacemount design installs on most door and window frames without cutting or wiring. Primary function and performance Door/window sensor alarm that sounds when a door or window is opened or moved. sensitivity sensor detects even slight movement, helping you catch attempted entries early. Designed to protect rooms and small commercial entrances so you receive an immediate audible alert. Why you need this Simple, effective theft and intrusion deterrent for homes, offices, shops, and bedrooms. No complex setup: quick surface mounting gets the alarm working in minutes. Provides an extra layer of security to protect family members, employees, inventory, and belongings. Key benefits Immediate audible alert on entry or movement to reduce response time. Versatile application across doors and windows in residential and smallbusiness settings. Durable ABS construction suited to regular use and surface mounting. Typical applications (practical scenarios) Home front or back door: add an extra alert when doors are opened, useful for households with children or elderly family members. Small or storefront window: monitor display windows or back doors to protect inventory and deter shoplifting. Office or bedroom door: secure private rooms or equipment areas with a discreet, easytoinstall sensor alarm. What you get A sensitivity door/window sensor alarm in ABS housing with surfacemount installation for fast deployment. A simple, reliable way to increase security for doors and windows without wiring or permanent modifications.