Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – Xiaomi Yeelight YLMB06YL 300x600mm LED Ceiling Light (-3 USD)
2. Europe – Xiaomi Yeelight YLMB05YL 300x300mm LED Ceiling Light [EU] (-3 USD)
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. I’m afraid that there’s no working coupon in Banggood.
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): AFfbG10, 7d18f7, aff7off, bgchinafest, BGYEE11COU, BGVDay10%off, BGLIGHT2020, BGAFF10OFF, bGhOnEy10, 99926f, BGYEE20COUPON, BgcLuBofErtA10, BG00c906, Terence, BGLED2203, 8Couponsde, MVC8SPRING, BGLED2206
(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 2 another warehouse/versions!
1. China – Xiaomi Yeelight YLMB06YL 300x600mm LED Ceiling Light (-3 USD)
2. Europe – Xiaomi Yeelight YLMB05YL 300x300mm LED Ceiling Light [EU] (-3 USD)
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi Yeelight YLMB05YL 300x300mm LED Ceiling Light.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).