Sonoff MiniR4 is extreme(ly) small - NotEnoughTech
Itead has been kind enough to provide me with a Sonoff MiniR4 the latest iteration of Sonoff Mini devices. It's the smallest relay I had in my hands.
MINIR4 Review Collection - SONOFF Official
SONOFF MINIR4 review - A Tiny WiFi Smart Switch tested with eWelink app/web, and R5 controller - CNX Software
Mini Extreme: smallest wifi switch from Sonoff. But still feature packed.
SONOFF MINIR4 review - A Tiny WiFi Smart Switch tested with eWelink app/web, and R5 controller - CNX Software
SONOFF MINIR4 Extreme WiFi Smart Switch 1-10PCS Tiny Size External Switch Control Detach Relay Mode via eWeLink Alexa Google - AliExpress
SONOFF MINIR4 review - A Tiny WiFi Smart Switch tested with eWelink app/web, and R5 controller - CNX Software
eWeLink & Sonoff User Group
Stylish Radar mmWave Sensor with Great Performance
MINIR4 Review Collection - SONOFF Official
Stylish Radar mmWave Sensor with Great Performance
SONOFF MINIR4 review - A Tiny WiFi Smart Switch tested with eWelink app/web, and R5 controller - CNX Software