Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – Xiaomi YEELIGHT YLXD37YL 24W LED Ceiling Light White (-3 USD)
2. Europe – Xiaomi YEELIGHT YLXD37YL 24W LED Ceiling Light [EU] (-3 USD)
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (95.47 USD): BGYEE20COUPON
Coupon (95.47 USD): BgcLuBofErtA10
Coupon (95.47 USD): BGAFF10OFF
(CouponsFromChina.com tip: paste coupon code in your cart and click Apply 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): BGaDmITAd, BGYEE11COU, bGpAnDacHeCk, 2020CNY, BGVDay10%off, BGLIGHT2020, aff7off, bGhOnEy10, BGdragonBoat, bgshOOp10, BgoFErTaSchInA10
(I don’t think these’re gonna work, but you can try ’em out anyway)
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – Xiaomi YEELIGHT YLXD37YL 24W LED Ceiling Light White (-3 USD)
2. Europe – Xiaomi YEELIGHT YLXD37YL 24W LED Ceiling Light [EU] (-3 USD)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi YEELIGHT YLXD37YL 24W LED Ceiling Light Star.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).