Magnetic Door Window Contact Sensor, 2.5 inch, Security Alarm Reed Switch, White, NO/NC Compatible (Normally Closed)

★★★★★ 4.4 138 reviews

US$18.34
Price when purchased online
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US$18.34
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 220398907 Release Date 2026/05/03 List Price US$18.34 Model Number 220398907
Category
  • VERSATILE COMPATIBILITY: Features both Normally Open (NO) and Normally Closed (NC) wiring options for integration with various security systems
  • EASY INSTALLATION: Comes with pre-applied adhesive backing for quick mounting on doors and windows without need for drilling or tools
  • RELIABLE DETECTION: Magnetic reed switch technology instantly triggers when protected door or window is opened, providing immediate alert
  • COMPACT DESIGN: Measures 2.5 inches (64mm) with a sleek white finish that blends seamlessly with door and window frames
  • DURABLE CONSTRUCTION: Professional-grade sensor built for long-term security monitoring with weather-resistant housing and sturdy wiring

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4.4 out of 5
★★★★★
138 ratings | 57 reviews
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