XM-L2, cool white, 1x 18650 battery (not included), 2000 Lumens(MAX), IPX-8 waterproof.
Aliexpress
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Here are coupons that you can use.
Updated: 27-07-2025
Banggood
Warehouse in China.
Link: Revtronic F30B Flashlight
$13.03 with coupon: EYBG
Additional Banggood coupons:
1. First page
2. Second page
Price history and price alert
Check out price history chart (for all/most countries) for Revtronic F30B Flashlight. The lowest price was: $7.99.
Price records source(s): Gearbest, 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)).