Go down and check coupons out. Remember to check price history if it is available. What is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Dimension: 116X55X26mm, Tungsten lamp: Max. 660W/220V, Wi-Fi: IEEE 802.11 b/g/n 2.4GHZ, Light: AC100-240v 50/60Hz 3A, Fan: Max. AC100-240V 50/60Hz 2A, Output: , Input: AC100-240V 50/60Hz 5A, LED: Max. 300W/220V, RF Remote Control: 433.92MHZ, Materials: PC V0
Banggood
Banggood warehouse is located in China. There are no coupons for this product in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGBFAFF2019, BGCITYADS2019, BGE13, 13f142, elec, BGVDay10%off, BGTT10, bGhOnEy10, BGSMOFF, BGSONOFF15, BGSAMRTH, BGSONOFF16, BGSTHO15, BGAFF10OFF, BGCuponation10, BGHONEY2110, BGSHOM15, BGSHE15, 6GSGIT, BGSmart6, 8Couponsde, MVC8SPRING, BG15Sonoff
(I don’t think these’re gonna work, but you can try ’em out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – SONOFF IFan03 WiFi Ceiling Fan And Light Controller [EU] ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for SONOFF IFan03 WiFi Ceiling Fan And Light Controller.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).