Rincoe Mechman 228W Box Mod Features: -Dimensions – 90mm by 53.8mm by 29.2mm -Dual High-Amp 18650 Batteries – Not Included -Wattage Output Range: 1-228W -Max Voltage Output: 8.0V -Resistance Range – VW Mode: 0.08-5.0ohm -Resistance Range – TC Mode: 0.05-3.5ohm -Temperature Range: 200°-600°F / 100°-315°C -VW mode -Bypass Mode -TC Mode -TCR Mode -Nickel, Titanium, and Stainless Steel Wire Compatibility -Zinc Alloy & Leather Construction -Intuitive Firing Button -0.96?” OLED Display Screen -Two Adjustment Buttons -Magnetic Battery Bay -Bottom Ventilation Holes -Reverse Battery Protection -Over-Heating Protection -Low Voltage Protection -Overload & Short Circuit Protection -10 Seconds Cut-Off -Micro USB Port -Centered Gold-Plated 510 Connection