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.
Go down and check coupons out. Remember to check price history if it is available. What is 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 price update (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
apply it 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
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Here is price history (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)).