Variable wattage: 1W-75W
Temperature control: 200-600'F(100-315'C)
Resistance range: 0.05-1.5ohm (TC modes)
Resistance range: 0.1-3.5ohm (VW/Bypass mode)
510 threading connection
Spring-loaded brass center pin
Micro-USB charging port 
8 ventilation holes at the bottom for better heat dissipation
Houses single 18650 battery (battery sold separately)