--No need mobile phone control, Realize 70 meters long-distance control of curtains or electric projection cloth to open or close. --Enable to remotely control your connected appliances on your smart phone wherever you are. WIFI Networks provides the needed connection to the DIY Switch Module without the need of a separate HUB.(Compatible with --Without looking at the curtains, you can control the degree of closing or opening at will, and directly use the mobile phone to control the curtains to open half or one-third of the way. --Compatible with Alexa and Home for easy voice control,providing your smart life for controlling roller blinds with much more convenience. --Take full control of your roller blinds intelligently with the timer feature on your App,which enables to open / close them at a specific time automatically. Automate your home roller blinds via 3 timing types:schedules timing,countdown timing and loop timing.