*GOLD DIFFERENT PRICE. Product Features: Adjustable temperature control Low voltage protection Low resistance protection High input voltage warning Output short circuit protection Reverse battery protection Overheating prevention Product Specifications: Accommodates 2 18650 sized batteries Variable wattage range: 5.0 - 200 watts Output voltage range: 0.5 - 7.0 volts Atomizer resistance range: 0.05 - 2.5 ohm Battery voltage range: 6.2 - 8.4 volts Temperature control range: 100 - 350°C / 212 - 662°F Supports both Kanthal and nickel wires