3503 Wireless Magnetic Door 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: 433.92 MHz
  • Typical operating range: 25 m*
  • Power requirements: 3 V (CR2032 lithium, included)
  • Dimensions of housing (L x W x D): 79mm x 29mm x 12mm
  • Dimensions of magnet (L x W x D): 60m x 12mm x 7mm
  • Enclosure material: Durable ABS plastic
  • Weight: 28 g
  • Operating temp: 5°C to 40°C
  • Rel humidity: < 90%

*The range of wireless devices may vary and be dependent on your specific environmental conditions.

“cura” – latin word meaning “care”

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