Aliexpress
Click here… to search for LUMINTOP Prince Copper Updated Rose Gold Flashlight on Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. Well, there is one coupon available right now.
Link: Banggood product page
Coupon (47.48 USD): BGTorch4
(CouponsFromChina.com tip: this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Old coupons (from the oldest to the newest): AC18, EYBG, BGTORCH, 502C6B, BGBFCR41, BGLMTB, BGFLS15, BGwhielabel, BGflashlight, BG10OFFAFF1, BANGGOODSD
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for LUMINTOP Prince Copper Updated Rose Gold Flashlight.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).