The VooPoo DRAG 157W TC Box Mod with Gene Chip inside is a dual 18650 powered mod. 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 VooPoo DRAG 157W TC Box Mod is ideal for users looking for some serious power output with minimal fire delay for that SUPER DRAG!