Ready Warna : - Black - Red Features and Specs: Utilizes the New DNA75 Color Chip by Evolv EScribe Software for Windows Dimensions: 3-1/2 #34; x 1-15/16 #34; x 1-1/4 #34; Spring Loaded 510 Contact Pin Operating Wattage: 1.0 to 75.0 W Temperature Control Mode: Nickel (Ni200), Titanium (Ti) and Stainless Steel (SS) Typical Resistance (Kanthal Coil): 0.15ohm Typical Resistance (Temperature Control Coil): 0.25ohm Temperature Control Range: 100 to 300C / 200 to 600F Preheat Feature for Temperature Control Users New Full Color 0.90 #34; TFT Display Screen Aluminum and Zinc Alloy Construction Requires (1) High Amp 18650 or 26650 Battery (Sold Separately) Includes 18650 Battery Adapter Sleeve Stainless Steel Battery Cover Micro USB Charging Port Low Voltage Protection Low Resistance Protection Short Circuit Protection High Temperature Protection Reverse Battery Protection