Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Yeelight ChuXin A2001C550 Starry 50W Ceiling Light [EU] (-3 USD)
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (215.89 USD): 2022ACTIESNL
Coupon (218.21 USD): BG00c906
(CouponsFromChina.com tip: just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGYEE20COUPON, bgshOOp10, BgoFErTaSchInA10, BGCXC550, BGYEE123, BgcLuBofErtA10, BGYEE1721, BGYEE2021, BGYEEL10, BGHONEY2110, BG10OFFAFF, BGwhielabel, BGLIG12, BG10OFFAFF1, BGYEELIGHT21, 00c906, BG4939bc, ADMITAD2212, BG891e59, BGb95da8, BG150e1a, BgGoodie9
(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 – Yeelight ChuXin A2001C550 Starry 50W Ceiling Light [EU] (-3 USD)
Price history and price alert
Check out price history chart (for all/most countries) for Yeelight ChuXin A2001C550 Starry 50W Ceiling Light.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).