Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (22.35 USD): BGAlerabatI
Coupon (22.86 USD): BGtorch2
(CouponsFromChina.com tip: apply code in your basket (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): FIN2664, BGSKS11G, BGwhielabel, 4BLF, BG10OFFAFF1, BANGGOODSD, BGTorch4, 00c906, BGtorch3, BGAlerabat15, BGtorch7
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Here is price history (for all/most countries) for SEEKNITE S11 GITD-Green Keychain Flashlight.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).