SST40 N4 BC LED, 950 lm, 13800cd, 6500K, Battery Quantity: 1x 18650 / 2x CR123.
Aliexpress
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Here are coupons that you can use.
Updated: 03-08-2025
Banggood
Warehouse in China.
Link: Jetbeam RRT2 Flashlight
$34.99 with coupon: BGKHS
$48.65 with coupon: 2017FNL
$52.12 with coupon: CFNKL
Additional Banggood coupons:
1. First page
2. Second page
Price history and price alert
Check out price history chart (for all/most countries) for Jetbeam RRT2 Flashlight. The lowest price was: $24.99.
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)).