Product Specifications: Requires 2x 18650 sized batteries (not included) Accommodates Attys and tanks up to 25mm Touch screen type: Capacitve Screen; Requires the electrical properties of the human body to detect when and where the screen is touched Wattage range (Power mode): 5W - 200W Wattage range (TC modes): 5W - 120W Temperature control range: 212?? - 572??F / 100?? - 300?? Atomizer ohm range: 0.1 - 2.5 ohm Max output voltage: 7.5V Peek output current: 45A Charging parameters: DC 5V/1A Upgradeable firmware USB TYPE-C YouTube video available HERE!