Just check coupons out (with price alert and history). You probably want to know what is the best price?
Brightness: 860lumens(max), Switch Type: clicky, Treatment: Premium Hard-anodizing, Switch Location: body side of the flashlight, SOS: 3.0hrs, Battery Configurations: 1 X 18650 battery(not included), Runtime: High: 2.5 hrs Low: 4.0 hrs, Emitter Type: U2, Color BIN: 6500K, Mode: High(100%)>Low(30%)>SOS>Off, Waterproof: Waterproof diving 60meters, Carrying Strap: yes, Impact Resistant 1.5 M, Material: Durable Aircraft-grade Aluminum, Working Voltage: 2.8v-4.2v
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
hot sale Christmas gift ARCHON V10S 860 lumen diving flashlight diving torch dive flashlight underwater 100m diving flashlight | $45.97 | – |
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. ($24.79): BGSPR
2. ($26.34): BGSM30%
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): linepayflt, BGNV10S, BGDH26, EYBG
(these coupons are old, so probably won’t work)
Price history and price alert
Price history (for all/most countries) for Archon V10S U2 Diving Flashlight is here.
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)).