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hey!®│HEY402│1 YR WTY. Smart Contact Sensor

  • Unit price per 

The HEY402 detects opening and closing of doors and windows. It is perfect for improving your home security or automating your home.


  • Connects directly to your Wi-Fi (2.4Ghz) and is operated via the hey!® or SMART LIFE® app.
  • Indoor Contact Sensor For Lights - Make your home a smart home with hey! contact detectors, and turn lights and appliances on and off just by opening and closing doors/windows.
  • Night Light Motion Sensor - No more fumbling around in the dark to for switches. With an instant detection the hey! contact detectors can be placed discreetly around your home to light the way at night.
  • Wireless Contact Sensor - Keep things clutter free with a hey! smart sensor. Because they are battery powered (2 x AAA) these 5V contact sensors don’t require any complicated or unsightly wiring work.
  • Alexa/Wi-Fi Contact Sensor - This Contact sensor is compatible with Amazon Alexa, and doesn’t require a separate hub to be integrated. To control multiple sensors on your smartphone, all you need is 2.4Ghz Wi-Fi connection and an iOS/Android device with up-to-date software.
  • Easy Contact Sensor Set up - Simply install in place with the adhesive tape, connect directly to your Wi-Fi router, and you're good to go. With the clear written setup guide, you'll be set up in as little as 10 minutes.


  • System requirements - iOS / Android device with up to date software
  • Wi-fi enabled - 2.4Ghz
  • Batteries required - 2x AAA
  • Height - 17cm
  • Width - 2.5cm
  • Depth - 2cm
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