Just received the iSeason today. Apparently it's made by RainbowHeaven, or at least that's what alibaba says.
This is a stainless steel Adam clone that comes standard with tubes for 18650 and 18350 batteries.
Some pics:
The device in its box:
In 18650 mode with both rings:
Disassembled except switch:
Bottom showing brass sleeve and adjustable tension spring:
Top cap. Note that the 510 sleeve is flush with the surrounding area, and both have air slots:
Bottom of top cap showing brass contact:
This is a stainless steel Adam clone that comes standard with tubes for 18650 and 18350 batteries.
Some pics:
The device in its box:

In 18650 mode with both rings:

Disassembled except switch:

Bottom showing brass sleeve and adjustable tension spring:

Top cap. Note that the 510 sleeve is flush with the surrounding area, and both have air slots:

Bottom of top cap showing brass contact:
