Magnetic Door Window Contact Sensor, White, Surface Mount Security Alarm Switch, 2.51 Inch, NO/NC Mode, Wired Reed Switch (Normally Open)

Enhance your home security with this reliable magnetic door and window contact sensor. Measuring 2.51 inches in length, this surface-mount alarm switch features both Normally Open (NO) and Normally Closed (NC) modes for versatile compatibility with various security systems. The sleek white design maintains a low profile while providing effective monitoring of entry points. Installation is straightforward using the included adhesive backing, eliminating the need for complex tools or drilling. The durable construction includes a high-quality reed switch mechanism that triggers when the magnetic contact is broken, instantly alerting your security system. Perfect for residential security applications, these sensors can be installed on doors, windows, or other access points requiring monitoring. The pre-wired design allows for seamless integration with existing alarm systems, while the compact form factor ensures the sensor won't interfere with normal door or window operation. Ideal for both new security installations and upgrades to existing systems, these sensors provide reliable performance for long-term home protection.

• VERSATILE COMPATIBILITY: Features both NO/NC (Normally Open/Normally Closed) modes for seamless integration with various security alarm systems
• EASY INSTALLATION: Surface-mount design with adhesive backing allows quick setup on doors and windows without requiring tools or drilling
• COMPACT SIZE: Measures 2.51 inches (64mm) in length with a sleek white finish that blends discreetly with door and window frames
• RELIABLE DETECTION: Magnetic reed switch technology provides consistent and accurate triggering when doors or windows are opened
• PROFESSIONAL DESIGN: Durable construction with pre-wired connections ensures stable performance for long-term security monitoring