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Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. There is one coupon right now! Check this out.
Link: Banggood product page
Coupon (18.79 USD): BG00c906
(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): BGGQHOME28, bGhOnEy10, BGHALLOWEEN, BGOCSE379, BGHOMEA15%, BgcLuBofErtA10, BGNOFR379, BGNOFO379, BGHU0186, BGBFHOME28, BGDETD661, BGDETD379, BGDEFO379, BGISDE379, BGJASE379, BGISR379, BGJATD379, BGJAFO379, BGFETD379, BGAFF10OFF, BGTHFR379, BGMATH379, BGMRDC40, BGDEAL379, BGAPSX379, BG10OFFAFF, BGISMA379, BGwhielabel, 13f142, BGLIG12, BG10OFFAFF1, BGTYON379, BGd0b05d, BG2589f4, 00c906, ADMITAD2212, 2022ACTIESNL, BGM6B67, BGLED2206, e78e22, TTSUMMER8, Cuponation9, BGLED07, BGccec78, BGLEDNOV2022
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for Baseus USB Charging LED Night Light? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).