Compact sensitivity door and window sensor for homes, offices, and retail spaces. This alarm triggers an audible bell when a door or window is opened, giving timely detection of potential intrusions and helping protect property and assets. Key benefits Immediate audible alert when a door or window opens, helping to deter unauthorized entry. sensitivity sensor for timely detection of small openings and rapid response. Suitable for both DIY installers and professional integrators, offering reliable status detection for doors and windows. Versatile compatibility for use on doors, windows, display cases, and other access points in homes, offices, and shops. Compact, lightweight design that fits most standard openings and minimizes visual impact. Simple operation that enhances overall security and provides peace of mind for property owners and staff. Key attributes Function: Detects open and closed status of doors and windows and activates an audible bell alarm when an opening is detected. Compatibility: Designed for general use across residential, commercial, and retail environments and for both DIY and professional installation. Size and design: Compact form factor suitable for mounting on most door and window frames and sashes. Performance: sensitivity for prompt detection and reliable audible alerting to notify occupants or staff. Practical use scenarios Retail storefront: Mount the sensor on a window or entrance door to alert staff immediately when a display case or entrance is opened after hours or during service times. Office security: Install on back doors, supply rooms, or server room doors to provide audible notification of unauthorized or unexpected access during business hours. Home protection: Place on front doors, sliding doors, or ground floor windows to receive timely alerts when an entry point is opened, improving household awareness and security. What customers can expect A straightforward way to add audible door and window monitoring to a property. A device that supports both quick DIY setup and professional integration into existing security routines. Consistent detection performance to help reduce the risk of unnoticed entry and enhance overall site security. This sensor is a practical choice for anyone looking to strengthen access monitoring for doors and windows in residential, commercial, or retail environments.