SMOK D-Barrel ModSMOK D-Barrel Mod has two parallel barrels, like double barrels of a gun, where tow shots are fired in rapid succession when pulling the trigger. Besides, this kind of open design enables you to feel authentic existence of barrels. A barrel is a crucial part of gun-type ranged weapons, and so is D-Barrel, which uses 2 x 18650 battery as its power source. Innovation keeps changing the vaping experience.  SMOK D-Barrel Mod :· Dimensions: 87mm 54.9mm x 33mm· Weight: 172g· Battery Type: Dual 18650· Wattage Output Range: 1W - 225W· Voltage Output Range: 0.5V - 8.2V· Resistance Output Range: 0.2ohm - 2.5ohm INCLUDES :· 1 x D-Barrel· 1 x user Manual· 1 x USB Cable· 1 x Spare Parts