This Arlec smart product comes with a smart button and mounting bracket. Requires a Bluetooth hub. 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. This product is compatible with the Grid Connect smart home automation system, built to optimise your everyday living. 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, 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 scene for every moment of the day, set your product to operate on your ideal schedule, and enjoy peace of mind while you’re away. Most Grid Connect products are compatible with Google Assistant and Amazon Alexa (sold separately), so you can operate your system with the ultimate convenience.