Big Loud Alarm: Door and window sensors provide a loud alert to detect entry and help prevent children and babies from leaving the house unnoticed. Ideal for protecting home offices, garages, dorm rooms, or apartments whether you are present or away. The alarm is audible from another room, ensuring prompt notification. Install out of reach of young children to prevent tampering. Suitable for use on sliding doors, windows, drawers, and refrigerators. Helps deter unauthorized access through windows and doors. Easy Installation: Clean the surface, peel off the adhesive backing, attach the alarm to the door and the magnetic strip to the door frame. Mounts quickly with strong adhesive. Perfect for doors and windows. Great for homes, apartments, mobile homes, offices, hotel rooms, garages, and more. Note: Measurements are manually taken. Please allow 1–3 cm variation. Due to differences in lighting and display screens, colors may vary slightly. Actual product color may differ.