Lens: Toughened ultra-clear mineral glass with anti-reflective coating, Light temperature: 6500K, Switch Type: Clicky, Color: Blue+Black, Material: Aerospace grade aluminium alloy, Range: 1000 Meters, Light color: Cool white, Brand: Astrolux, 60mm (Reflector cup caliber diameter), Model: FT04, Battery Configurations: 3x 18650 battery (not included), (Sumsung 30Q 20A Power Battery Recommended), Switch Location: Body side of the flashlight, Mode: 7 Modes, Weight: 340g (without battery), Max Output: 2500 Lumens, Size: 175mmx 65mmx 50mm (lengthx Headx Body diameter), Emitter Type: SST40 P2.
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Aliexpress
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Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($43.96): BGSM30%
2. ($43.96): BGFT04
3. ($43.96): BGASTROLUX
put item in your cart and apply coupon code there 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): FINft04, 8a955d, BG1522, BG192, FFT04
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Here is price history (for all/most countries) for Astrolux FT04 SST40-P2 Flashlight. The lowest price was: $35.99.
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)).