The Arlec Grid Connect Smart Home Button is a compact and convenient device that enables you to control your smart home devices. This kit includes a smart motion sensor, mounting accessories, and cable. SG120HA and SG121HA are two compatible Bluetooth hubs (sold separately). Not compatible with SGS01HA and SGSP4HA. This device is compatible with Grid Connect home automation system, built to optimise your everyday living. Use to connect any Grid Connect smart home sensors to the Grid Connect app. Simply power on your Smart Home Hub, pair it to the app and you are ready to go. It programs your sensors (sold separately) to activate automatic actions of other Grid Connect products. 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 a wide of products 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.