The VooPoo DRAG 157W TC Box Mod with Gene Chip inside is a dual 18650 (sold separately) powered mod compatible with the VooPoo PC App for full customization and fine tuning settings. The Gene Chip inside the DRAG offers a full temperature control suite with 157W max power and a firing speed of 0.025 seconds! The VooPoo DRAG is a highly efficient variable wattage box mod with a chip efficiency rating of 95% for accurate and reliable power output. The chassis of the DRAG made from zinc alloy and has a carbon fiber accent panel on one side and the word DRAG lightly etched into the battery access door. The DRAG is compatible with the VooPoo PC App which allows the user to customize settings and add a customized logo to the display.