SMOK Koopor Primus 300W TC Box ModThe Koopor Primus 300W TC Box Mod is the newest high performance flagship device from SMOK. Capable of reaching a staggering output of 300W, the Koopor Primus Box Mod features a three battery platform; alongside full temperature control, ergonomic design and a large intuitive OLED display screen. The chassis of the SMOK Koopor Primus Box Mod system is constructed of zinc alloy, providing durability and solid weight in the hand. The Koopor Primus Mod is the first SMOK device powered by three 18650 batteries (sold separately). With a maximum output of 300W and a resistance range of 0.06 - 3.0 ohms, the Koopor Primus provides a full temperature control suite. The SMOK Koopor Primus 300 is capable of supporting the following heating elements: Nickel, Titanium and Stainless Steel with adjustable TCR mode. The battery back door is fully magnetized with a slide and lift feature for changing out your batteries with ease. The expanded large intuitive OLED screen displays; battery life, resistance, wattage, resistance and current time. The SMOK Koopor Primus is a major upgrade from the previous Koopor Plus and is one of the most powerful box mods on the market. SMOK Koopor Primus 300W Features:Zinc Alloy ConstructionTriple Battery PlatformThree Button OperationWattage: 1 - 300WVoltage: 0.8 - 12VVW Resistance: 0.1 - 3.0 ohmsTC Resistance: 0.06 - 2.0 ohmsFirmware Upgradeable Supports Nickel, Titanium, Stainless Steel TCR AdjustableAdjustable Initial ResistancePowered by (3) 18650 Batteries (Sold Separately)Sliding Battery DoorIntuitive Large OLED Display ScreenGold-Plated Spring-Loaded 510 ContactIntelligent Atomizer RecognitionPuff Monitoring System12 Second Cut-OffShort Circuit ProtectionOverheat ProtectionLow Battery Warning SMOK Koopor Primus 300W Includes:1 x Koopor Primus 300W TC Mod1 x User Manual