Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. Well, there is one coupon available right now.
Link: Banggood product page
Coupon (26.26 USD): BGCONV
(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): BGCM1, 502C6B, ZCM1, e2bcea, linepayflt, EYBG, BGTORCH, BGBFCR41, 0e7f33, BGCONVOYSS, BGFLS15, BGAFF10OFF
(probably won’t work, but you can try them out)
Price history and price alert
Here is price history (for all/most countries) for Convoy M1 XP-L HI Flashlight.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).