Door and window alarm sensor (ABS) — sensitivity chime for immediate detection and easy surfacemount installation Key benefits Immediate detection: sensitivity sensor senses even the slightest movement and instantly detects opening or closing activity, triggering the door chime to alert you quickly. Clear audible alert: Built to act as a sensor door open bell / door chime so you know when a door or window is opened. Easy installation: Surfacemount design lets you install the unit quickly on doors, windows, or frames without complex tools. Versatile protection: Designed to work as a window alarm for offices and stores and as a bedroom or home door alarm to deter unauthorized access. Durable material: Made from ABS for reliable, everyday use. What it does Detects motion related to opening and closing and immediately activates an audible chime. Functions as both a door alarm and window alarm, providing flexible perimeter protection where needed. Surfacemount format adapts to a variety of mounting locations and door or window types. Key attributes Material: ABS housing for impact resistance and longterm durability. Function: sensitivity movement sensor with audible door chime activation. Installation: Surfacemount; designed for quick and convenient placement on doors, windows, frames, or display cases. Compatibility: Intended for use on most doors and windows as a simple sensor alarm and chime. Practical use scenarios Retail store: Mount on display cases or back doors so staff receive an immediate chime if a door or display is opened after hours or without authorization. Office window monitoring: Install on office windows to detect even slight movement and provide an audible alert to prevent unauthorized entry or tampering. Home or bedroom door: Use on bedroom doors, side doors, or sliding windows to know when they are opened, offering an extra layer of everyday security. Why customers need this Provides a straightforward, loweffort alert system to know when doors or windows are opened. Helps deter unauthorized access and reduces the time between an opening event and your awareness of it. Fits multiple environments—home, office, or retail—without complicated setup or maintenance. Includes ABS sensor unit with sensitivity detection and integrated audible chime for door/window monitoring.