Sonoff iFan04-H 220V Light and Ceiling Fan Controller (iFAN04-H)
USB to Serial
Configuration (old format, will be converted to new template when applied)
Largely identical to iFan03 with capacitors designed for 220V-240V fans and an improved RF chip with better range
Flashing procedure is the same, there are labelled pins required for flashing. Hold the button down during power up to enter flash mode.