Aliexpress
Click here… to search for Convoy M2 XP-L HI Flashlight 6500K on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
Coupon (38.66 USD): BANGGOODSD
(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): BGCM2, 502C6B, ZCM2, e2bcea, linepayflt, EYBG, BGTORCH, BGBFCR41, BGCONV, BGCONVOYSS, BGFLS15, BGAFF10OFF, BGflashlight, BG10OFFAFF1
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for Convoy M2 XP-L HI Flashlight 6500K.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).