The IJOY Captain variable watt mod MOD is powered by dual external 18650 battery cells. The Captain variable watt mod is a high quality device featuring maximum 225W output power, compact size with no overhanging 30mm tanks, NI/TI/SS/TCR temperature control. The Captain Tank is a 25mm atomizer with 4ml capacity, featuring easy top refill system, no threaded coil head and unique heat-reduce groove design. The variable watt mod SubOhm kit as a unit brings your vaping to a new stage. 3 colors.