Seven-22 26650 VV / VW Mod

Seven 22 Specifications:

Output power: 7~22watt. (SX220 chip built-in)
Resistance: 0.5~3Ω. 
Output voltage: 4~8.5volt. 
Input voltage: 3.2~4.2volt. 
OLED screen. 
Top grade Stainless Steel material. 
24k gold plated spring. 
510 and eGo thread, floatable atomizer contact pin.