1x 21700 / 18650, Size: 112mm(L)x 37.5mm(Head)x 26mm(Body), 25 degree angle TRI lens, Digital current regulation on lower brightness, IPX6 waterproof, Net Weight: 125 gram, XPL NW 5000K, 98% AR coating glass lens, with Aux leds ; with switch leds.
Just check coupons out (with price alert and history). 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. ($74.28): cbrIDgTec
2. ($74.28): cbridgtec
3. ($74.28): F7BG
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): 502C6B, F7BG0, BGFIRE, e2bcea, linepayflt, FFE07, BG2434P, BGF1111, BGBFCR41, BGFIRL, BG1128
(there’s a little possibility that old coupon will work)
Other warehouses/versions
This item is available in 4 another warehouse/versions!
1. China – Fireflies E07 XPL NW 5000K Flashlight ($-3)
2. China – Fireflies E07 XPL CW Flashlight ($-3)
3. China – Fireflies E07 SST20 NW Flashlight ($-3)
4. China – Fireflies E07 Nichia 219B Flashlight ($-3)
Price history and price alert
Here is price history (for all/most countries) for Fireflies E07 XPL NW 4000K Flashlight. The lowest price was: $37.48.
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)).