3503 Wireless Magnetic Reed Switch

Detects when a door or window has been opened and sends a wireless signal to a receiver unit. Perfect for anti-wandering systems.


  • Sends wireless signal when door or window is opened.
  • Built-in call button extends usage options - eg. use it as a portable panic button.
  • Double sided tape included to for easy mounting.
  • Battery included.
  • LED alarm active indication.
Download Brochure - 3503 Magnetic Reed Switch


  • Operating frequency: 433.92MHz
  • Typical operating range: 25m*
  • Power requirements: 3V (CR2032 lithium)
  • Dimensions of housing (LxWxD): 79mm x 29mm x 12mm
  • Dimensions of magnet (LxWxD): 60m x 12mm x 7mm
  • Enclosure material: Durable ABS plastic
  • Weight: 28g
  • Operating temp: 5°C to 40°C
  • Rel humidity: <90%

“cura” – latin word meaning “care”

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