, Beam throw 215m, Additional function OLED Screen, LED XHP70.2 P2 LED / XHP35-HI D4 LED, Max intensity 11640cd, Waterproof IPX8 (underwater 100m), Body material Aluminum alloy, Impact resistant 1.5m, Switch Dual Press-type waterproof switches, Recommended battery XTAR BP36-3500/BP36-3000 10.8V battery pack.
Go down and check coupons out. Remember to check price history if it is available. You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
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Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. Well, there is one coupon available right now.
Link: Banggood product page
1. ($350.66): BGTorch4
apply code in your basket (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): 4BLF, BGHONEY2110, BG10OFFAFF, BGwhielabel, BG10OFFAFF1, BANGGOODSD
(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 XTAR D36 5800ii 5800lm Diving Flashlight. The lowest price was: $310.5.
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)).