Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi Yeelight Prime 14W LED Smart Lamp [EU/CZ] (-3 USD)
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it?
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): 502C6B, e2bcea, TTxBG10, AFfbG10, affbg10, BGaDmITAd, BGYEE11COU, 2020CNY, BGVDay10%off, BGLIGHT2020, 7d18f7, BGAFF10OFF, bGhOnEy10, BGdragonBoat, BGSS10%SW, BGYEE20COUPON, bgshOOp10, BGELIG0920, BgcLuBofErtA10, BGYEE2021, BGYEEL10, BG10OFFAFF, BGwhielabel, BGLIG12, BG10OFFAFF1
(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 – Xiaomi Yeelight Prime 14W LED Smart Lamp [EU/CZ] (-3 USD)
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi Yeelight Prime 14W LED Smart Lamp.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).