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SONOFF S-MATE Switch Mate
Make your existing ordinary wall switch be a smart scene switch to control smart devices.
MINI R3 Works with S-MATE
A “New” smart wall switch solution for your mounting box with no neutral wire.
S-MATE can connect the ordinary 1/2/3-button wall switch which acts as a remote controller. After pairing with MINI R3, MINI R3 can be controlled locally by S-MATE through eWeLink-Remote signal. S-MATE is battery-powered, so it does not require a neutral wire in the mounting box.