DETA Smart Fan Speed Controller & Light Switch is sleek and sophisticated. It comes in a Matte Black finish, an advanced touch-sensitive switch and a blue LED power indicator. You can remotely control your hardwired fan and lights independently by using your mobile devices. This fan controller mechanism has 3-speed settings: High, Medium and Low. The Built-in countdown, scheduling function allow you to turn On/Off your fan as you plan. This product must be installed by a licensed electrician. Works with many popular models of AC fans. 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 theres 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 youre 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.