Just check coupons out (with price alert and history). Do you want to know what the best price is?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Reflector 118 mm inner diameter, 000 lm, Ingress rating Equivalent to IP65, neutral white or cool white, Dimensions 135 mm Ø headx 318 mm length, Flux >25, Battery 8 Button-top unprotected 18650 cells . protected cells not fit., Body Aluminum with Type III hard-coat anodizing, mounted on copper DTP MCPCB, Intensity >469.1 kcd (ANSI throw >1370 m), smooth finish, Texas Avenger V2, Lens Glass with anti-reflective coating, Firmware Tom E’s open-source NarsilM v1.3 adapted by Texas_Ace, Tripod socket Standard 1/4 inch threaded (1/4-20 UNC), aluminum, Button Tactile with back-lit rubber boot, Batteries are not included, Emitter 4* XHP70.2 LED, do not immerse in liquids, Driver 12V, Weight Approximately 2.6 kg without cells
Banggood
Banggood warehouse is located in China. Only one coupon available!
Link: Banggood product page
1. ($423.98): BGALL8
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGLMTB, M3423, BG1128, cbrIDgTec, BG10OFFAFF1, BANGGOODSD, 6GSGIT, BGTorch4
(these coupons are old, so probably won’t work)
Price history and price alert
Do you need price history chart (for all/most countries) for LUMINTOP GT4 XHP70.2 Flashlight? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).