Compact magnetic contact sensor designed for reliable door and window monitoring Key benefits Small, lowprofile size (2.5 inches / 64 mm) fits standard door and window frames without altering appearance or operation. Prewired leads make wiring straightforward and reduce installation time, so you can connect it quickly to your alarm panel. Dual reed switch configuration (Normally Open and Normally Closed) ensures compatibility with most security systems and installation preferences. Adhesive backing enables tool mounting for fast setup where screws or brackets aren't practical. Magnetic contact sensing provides consistent detection of open/closed status for dependable security monitoring. What it does for you Protects entry points by instantly reporting open/closed status to your alarm or monitoring system. Simplifies upgrades or replacements: the compact, prewired unit is ready to be wired into most existing security panels. Reduces installation time and complexity with prewired leads and adhesive mounting, ideal for DIY or professional installers needing a fast solution. Features and specifications Length: 2.5 inches (64 mm) — sized for standard door and window frames. Wiring: Prewired leads for easy connection to alarm control panels or interface modules. Switch options: Both Normally Open (NO) and Normally Closed (NC) reed switch configurations included to match system requirements. Mounting: Adhesive backing for tool installation. Function: Magnetic contact sensor that monitors and reports door/window open or closed status. Practical applications Front or back entry doors: Mount on the door frame to ensure your main entry points are monitored by your alarm system. Sliding and casement windows: Fits into narrow frames where a compact sensor is needed for consistent detection. Interior doors and access points: Use on garage service doors, basement or utility room doors, and other access points that require simple, reliable monitoring. Installation tips Clean and dry the mounting surface before applying the adhesive backing to ensure a secure bond. Align the magnet and sensor so they meet according to your frame's gap when the door/window is closed. Connect the prewired leads to your alarm panel in the desired NO or NC configuration per your system's wiring diagram. Reliable, compact, and compatible — designed to integrate with most security systems and provide straightforward, effective monitoring of doors and windows.