SONOFF MINIR4 WiFi Smart Switch Module Zero Fire Modified Parts Mini WiFi Voice Remote Control Home Switch •Ultra-Tiny Size: 39.5mm * 33mm * 16.8mm,mini European standard concealed box can be installed •External Switch Control: Easily connect momentary switches,door switches,SPDT switches,latching switches,and even dry contact sensors. •Separate Relay Mode: MINIR4 has a "Separate Relay" mode,where the status of the external switch and relay are separated,so operating the external switch button will not affect the status of the relay. •eWeLink-Remote Control: MINIR4 is a smart switch with "eWeLink-Remote" gateway function. You can add "eWeLink-Remote" sub-devices R5 and S-MATE,and after pairing with MINIR4,both R5 and S-MATE can be used as a remote control to control MINIR4 locally via eWeLink-Remote signal. •Others: APP and voice control,timer,cycle timer,time delay,smart scene,and other functions Specifications: •Model: MINIR4 •Chip: ESP32 •Casing material: PC V0 •Wi-Fi: IEEE 802.11b/g/n 2.4GHz •Input: 100-240V ~ 50/60Hz 10A Max •Output: 100-240V ~ 50/60Hz 10A Max •Maximum load current: 10A •Dimension: 39.5x33x16.8 mm •Support: eWeLink Web,Home Assistant,IFTTT •Certificate: CE,FCC Package included: •1 x Smart Switch Module •1 x English and Chinese Manual •Other items not included