Rayus_susan, please verify that in mode 3 there is absolutely no strobe or SOS modes and I can disable the beacon.
Operating Group 3 is no no strobe no SOS modes and it can disable the beacon
original post has many specs, but it remains a mystery light 
This is pretty much everything I want in a light. If the price is good, I’ll be buying.
$79.99 @ techtoolsupply.com w/ Panasonic NCR18650B
http://www.techtoolsupply.com/ProductDetails.asp?ProductCode=RAY-U10-RL1834
http://www.techtoolsupply.com/ProductDetails.asp?ProductCode=RAY-RL1834
wtf is that china wall of text?
Kudos on the charging port cover but no rear end forward clicky is a deal breaker for me. 
Nice light
Hi. Is it updated from the pictures in the link here? If so, in what ways?
Thank you.
I will send the link later ,thanks for your attention
thank you!
anyone get one ? Techtoolsupply sold out 1st batch. Awaiting next batch. Seems like a great store with great C.S.
The RAYUS U10 is a programmable flashlight with multiple selectable operating groups. Users can choose their preferred operating group, set the default output mode, and enable/disable the memory function. Built-in intelligent USB charging allows for quick, reliable, and convenient power management. A single side switch allows the user to select among the 5 output, Strobe, and SOS modes. Equipped with the latest intelligent thermal management system, the U10 can dim Turbo brightness gradually to keep the light within safe operating temperatures ensuring preserving the LED and internal electronics. A hidden power indicator is also accessible so you won’t be left in the dark. The U10 is compatible with a wide range of power sources such as CR123A, 16340, and 18650 rechargeable batteries. Water resistant to IPX-8, the U10’s compact size, light weight, and feature packed interface make it one of the most versatile lighting tools on the market.
china wall of text ?
wtf ? what's mean? could you let me know the mean,mountainking.
The retail price is US$64.95/PCS (exclude the freight),Thanks!