Eleaf iPower 80wiPower :• Dimensions: 3-1/4" x 1-7/8" x 7/8"• Battery Capacity: Built-in 5000mAh Battery• Wattage Output: 1.0 - 80.00w• Variable Temperature Control : Nickel / Titanium / Stainless • Steel 316/ TCR• Temperature Control Range: 100 - 315C / 200 - 600F• Bypass (Direct Output Voltage) and Smart Mode• Resistance Range: 0.05-1.5ohm for Variable Temperature • Control Mode• Resistance Range: 0.1-3.5ohm for Variable Wattage and • Bypass Mode• OLED Display Screen• Bottom Ventilation Holes• Micro USB Charging Port• Upgradeable Firmware• Reset Button• Dual Circuit Protection• Over-charging Protection• Over-current Protection• Over-discharging Protection INCLUDES :• 1 x Eleaf iPower• 1 x Micro USB Cable