Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – SONOFF IFan03 WiFi Ceiling Fan And Light Controller [EU] (-3 USD)
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There is no active coupon in my database right now (for Banggood).
Link: Banggood product page
Price: -3 USD
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGBFAFF2019, BGCITYADS2019, BGE13, 13f142, elec, BGVDay10%off, BGTT10, bGhOnEy10, BGSMOFF, BGSONOFF15, BGSAMRTH, BGSONOFF16, BGSTHO15, BGAFF10OFF, BGCuponation10, BGHONEY2110, BGSHOM15, BGSHE15, 6GSGIT, BGSmart6, 8Couponsde, MVC8SPRING, BG15Sonoff
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – SONOFF IFan03 WiFi Ceiling Fan And Light Controller [EU] (-3 USD)
Price history and price alert
Price history (for all/most countries) for SONOFF IFan03 WiFi Ceiling Fan And Light Controller is here.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).