wavelength 400-700nm, lifespan about 10, Lens Double coated tempered glass lens, Material Aluminum alloy, (body diameter) 27mm, Reflective system Acrylic lens, Switch Tail tactical switch, Runtime Hight Mode – 1h58min / Low Mode – 4h32min, 50, Battery Use one 21700 li-ion rechargeable battery, Distance Hight Mode – 2607m / Low Mode – 1553m, 000 press life, Light source Special LEP module, (length) 193mm, Size (±0.5mm) (head diameter) 60.5mm, Bezel Double coated tempered glass lens, black hard anodized surface, Intensity Hight Mode – 1782000cd / Low Mode – 603000cd, Weight 332.8±0.5g (without battery), Lumens Hight Mode – 560 / Low Mode – 187, 000 hours.
Basically copy coupon, view price history or create e-mail price alert. 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:
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Weltool LF61/LF61Y Diffusing Filter For W4 flashlight | $10.84 | – |
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. I found coupon for you. Check this out.
Link: Banggood product page
1. ($395.12): BGOutlight10
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGTORCH, bGhOnEy10, bgshOOp10, BgoFErTaSchInA10, BgcLuBofErtA10, BGFLS15, 4BLF, BGAFF10OFF, BGCuponation10, BGHONEY2110, BG10OFFAFF, BGwhielabel, BGflashlight, BGdeals32, BGdeals54, BGdeals83, BG10OFFAFF1, BGdeals92, BANGGOODSD, BGTorch4, BGdeals247, BGdeals223, 00c906, BGtorch2, BGtorch3, BGAlerabat15, BGtorch7, BGLED07
(you can check these old coupons out, but these probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Weltool W4 Flashlight [EU] ($-3)
Price history and price alert
Price history (for all/most countries) for Weltool W4 Flashlight is here. The lowest price was: $275.4.
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)).