SONOFF MINI Extreme Wi Fi Smart Switch

【Super Small Size】Its compact size makes it possible to be installed in various mounting boxes, including the smallest European standard. 【External Switch Control】Easily connect to torque switch, door output switch, SPDT switch, lock switch and even dry contact sensors. 【Relaxing Relay Mode】MINIR4 has "relax relay" mode, which means that the conditions of external switches and relays are separated, so that the use of the external switch button does not affect the relay condition. 【eWeLink Remote Control】MINIR4 is a smart switch with the gateway function "eWeLink Remote". You can add "eWeLink Remote" Subunits, R5 and S-MATE, after the pair of MINIR4, both R5 and S-MATE can act as remote controls to locally control MINIR4 via the eWeLink Remote signal. Safe and reliable: TÜV, CE and FCC certifications guarantee a safer and more reliable product.