Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. CouponsFromChina software could not find any coupon for this product 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): BGML060, PICODICOM, BGMLP16, BGBFAFF2019, BGCITYADS2019, BGminleaf, BG322e14, BGHOMEAPP, BGTT10, bGhOnEy10, BG3Q5, BGHome15%, BGHOMEAPP13, BGminf15, BGHOMEA13, BGAFF10OFF, BGCuponation10, 13f142, BG10OFFAFF, BGwhielabel, BGLIG12, BG10OFFAFF1, BGd0b05d, 00c906, BG00c906, ADMITAD2212, 2022ACTIESNL, Terence, BGLED2203, MVC8SPRING, 8BGwbg2204, 2203ActiesNL, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BGf94f14, BGLED2206, BG8ReviTrage, Cuponation9, BGLED07, BGccec78, BGLEDNOV2022, BG589b2e
(these coupons are old, so probably won’t work)
Price history and price alert
Price history (for all/most countries) for Minleaf ML-P16 Night Light is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).