Sonoff S-Mate

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 the “eWeLink-Remote” signal, and trigger other smart devices in the smart scene. 1 MINIR3 can connect more S-MATE, and 1 S-MATE can be added to 3 MINIR3.

S-MATE is battery-powered, so it does not require a neutral wire in the mounting box. S-MATE is fit for almost any switch type, such as pulse switch, rocker switch, and change your existing switch into a smart one.