Door and Window Sensor (ABS) — Sensitivity Door Open Bell Key benefits Reliable detection: sensitivity sensor detects door and window open/close status promptly, reducing response time to potential intrusions or accidental openings. Versatile protection: Designed to provide comprehensive security for stores, offices, shops and homes, helping prevent theft, unauthorized entry, and accidental access. For DIY and professionals: Suitable for DIY enthusiasts and professional installers who need a dependable door/window status sensor and door alarm solution. Durable construction: Housed in ABS for lightweight durability and everyday use. What it does Detects the open/closed status of doors and windows and triggers a dooropen bell or alarm to notify occupants or staff. Acts as a door and window sensor for home security and commercial door security applications, delivering timely alerts so you can act quickly. Important attributes Material: ABS housing for impact resistance and longterm reliability. Function: sensitivity magnetic/contact detection for timely status reporting and alarm activation. Use: Designed as a sensor door open bell and door/window alarm for homes, offices, shops and stores. Audience: Appropriate for both DIY projects and professional security installations that require dependable sensing. Practical use scenarios Retail store: Install at entrances to trigger a bell when doors open, alerting staff to customer entry or deterring potential shoplifting. Office or commercial space: Monitor afterhours access and receive immediate alerts if a door or window is opened unexpectedly. Home security and safety: Use on exterior doors or groundfloor windows to notify household members when an entry point is opened, improving child safety and home monitoring. Why choose this sensor sensitivity for timely detection and peace of mind. Built for use across residential and commercial environments. Reliable ABS construction suitable for regular use in door and window security setups.