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.
Basically copy coupon, view price history or create e-mail price alert. What is the best price?
Aliexpress
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Click here to search by yourself. 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
1. ($423.98): BGALL8
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGLMTB, M3423, BG1128, cbrIDgTec, BG10OFFAFF1, BANGGOODSD, 6GSGIT, BGTorch4
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Price history (for all/most countries) for LUMINTOP GT4 XHP70.2 Flashlight is here. The lowest price was: $279.3.
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)).