This Arlec Grid Connect product has sensors and buttons that can be used to trigger the included adaptor or other Grid Connect products. Not compatible with SGS02HA, SGS03HA, and SGS04HA. Control your Grid Connect products automatically by adding an Arlec Grid Connect contact sensor to your Grid product ecosystem to fully automate your smart home. You can place the sensor anywhere in your home as it is battery-powered and wireless. Simply download the free Grid Connect app on your iOS or Android device and use your home Wi-Fi or mobile internet connection to control, customise and automate your product. It takes only minutes to set up using your 2.4 GHz Wi-Fi network, and there’s a wide range of products available that allow you to customise your system any way you like. Use the app to create the perfect light for every moment of the day, set your product to operate on your ideal schedule, and enjoy peace of mind while you're away. WARNING: Keep batteries out of reach of children. The product contains a Button or Coin cell battery. The Battery can cause severe or fatal injuries in 2 hours or less if swallowed or placed inside any body part. If suspected the battery has been swallowed or otherwise placed inside any part of the body, contact the Australian Poisons Information Centre on 13 11 26 immediately for 24/7 fast, expert advice.