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.
Price history, coupons and price alert are available on this page. You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
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
you should apply the coupon 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): bGhOnEy10, FINKC15, bgshOOp10, BgoFErTaSchInA10, BgcLuBofErtA10, BGFLS15, BGAFF10OFF, BGCuponation10
(there’s a little possibility that old coupon will work)
Price history and price alert
Check out price history chart (for all/most countries) for Tank007 KC15 Flashlight. The lowest price was: $17.95.
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)).