eVic VTC Dual features the replaceable back cover for alternatively using one or two cells as you prefer where maximum output can be reached to 75W and 150W respectively. New top filling system and improved adjustable airflow control are adopted in the ULTIMO atomizer. MG series heads with novel designs especially provide great vaping experience, including which the innovative MG Ceramic-0.5ohm head with long-lasting lifespan brings you a pure flavor ever.