Works with MINI R3 smart switch, M5 smart wall switch and S40/S40 LITE smart plug “eWeLink-Remote” Control.Use it with the MINI R3 or other smart switch with the gateway function of “eWeLink-Remote”, it can achieve “eWeLink-Remote” control Control Ways.Control built-in “eWeLink-Remote gateway” devices when no Internet is available, and it can trigger other smart devices in the smart scene when there is a network connection Compatible With Switch Types.S-MATE is fit for almost any switch type, like, pulse switch, rocker switch, change your existing switch into a smart one