The VOOPOO DRAG 2 177W TC Box Mod is an upgrade to the original DRAG 157W, presenting a highly intelligent GENE FIT Chip with multiple power output modes and optimized battery efficiency within a beautiful updated chassis. The DRAG 2 177W Box Mod is built with a modernized update to the original, implementing rounded edges for ergonomic handling and more resin dyed color options for a visually stunning display! The GENE.FIT Chip is dynamic and quite efficient with battery efficiency, with the addition of multiple output power adjustments such as Flavor Set, Cloud Set, and Battery Set.