Aliexpress
Click here… to search for Xiaomi Yeelight Smart Square LED Ceiling Light on Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi Yeelight Smart Square LED Ceiling Light [EU] (-3 USD)
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. There is one great coupon!
Link: Banggood product page
Coupon (225.79 USD): BGYEELIGHT21
(CouponsFromChina.com tip: coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Old coupons (from the oldest to the newest): bgssaff9, AFfbG10, BGaDmITAd, aff7off, bgchinafest, BGYEE11COU, 7bcdf9, BG9NY, BGVDay10%off, BGLIGHT2020, BGAFF10OFF, bGhOnEy10, 2da767, BGdragonBoat, e4333f, bgshOOp10, BGYEE20COUPON, BgoFErTaSchInA10, BgcLuBofErtA10, BGCZ6932, BGYEE2021, BGYEEL10, BG10OFFAFF, BGwhielabel, BGLIG12, BG10OFFAFF1
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi Yeelight Smart Square LED Ceiling Light [EU] (-3 USD)
Price history and price alert
Price history (for all/most countries) for Xiaomi Yeelight Smart Square LED Ceiling Light is here.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).