Just check coupons out (with price alert and history). Do you want to know what the best price is?
Surface treatment: anodizing, light intensity 12000lx, Shell material: 6061 aluminum alloy, Fall prevention height: 1.5 meters, Range: 265 meters, 4 hours in the middle, Luminous light up to 1000lm, Waterproof rating: IPX7, Life time: 2 hours highlight, Switch mode: tail button switch, German original OSRAN 10W lamp beads, 72 hours in the low, Battery: 1x 18650 lithium-ion battery (not included), Lens: tempered optical glass
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):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($22.65): BGKC15
2. ($28.79): BG10OFFAFF
3. ($29.11): 4BLF
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 and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): bGhOnEy10, FINKC15, bgshOOp10, BgoFErTaSchInA10, BgcLuBofErtA10, BGFLS15, BGAFF10OFF, BGCuponation10
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for Tank007 KC15 Flashlight? There we go.
Price records source(s): Gearbest, 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)).