Magnetic Door Window Contact Sensor, White, 2.51 Inch, Security Alarm Reed Switch, NO/NC Configuration, Surface Mount with Adhesive (Normally Closed)

★★★★★ 4.6 148 reviews

$45.84
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$45.84
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 211169877 Release Date 2026/04/04 List Price $18.34 Model Number 211169877
Category

Enhance your home security with this reliable magnetic door and window contact sensor alarm. Measuring 2.51 inches, this surface-mount sensor features a reed switch that instantly detects when protected entries are opened. The versatile NO/NC configuration makes it compatible with most security systems, while the clean white design maintains a discreet presence in any room. Installation is straightforward using the included adhesive backing - no drilling or complex wiring required. The durable construction includes a magnetic sensor and switch assembly connected by a flexible wire lead for dependable operation. Perfect for monitoring doors, windows, cabinets, or other access points throughout your home. The sensor provides consistent detection and can be integrated into new or existing security setups. Its professional-grade components ensure reliable performance while the compact profile won't interfere with normal door and window operation.

  • VERSATILE CONFIGURATION: Features NO/NC (Normally Open/Normally Closed) switch configuration compatible with most security alarm systems and monitoring setups
  • EASY INSTALLATION: Surface-mount design with adhesive backing allows for quick DIY setup without tools or drilling, saving time and effort
  • RELIABLE DETECTION: Magnetic reed switch technology accurately detects door or window opening and closing movements for enhanced security monitoring
  • COMPACT SIZE: Measures 2.51 inches (64mm) in length with a sleek white finish that blends seamlessly with door and window frames
  • DURABLE CONSTRUCTION: Built with high-quality materials for long-lasting performance, includes pre-wired connections for straightforward system integration
UPC 707778998729
Brand QMOSSUSY
Manufacturer QMOSSUSY
BuiltIn Media Electronic Switch
Item Dimensions L x W x H 5"L x 5"W x 5"H

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4.6 out of 5
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148 ratings | 61 reviews
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