The Innokin Cool-Fire IV is well known for its performance, looks and functionality. This vape mod has an output of 40 Watts that fire down to 0.3 Ohm (2.5 ohm max), with a long lasting battery of 2000 mAh. Its curved design is user-friendly and fits in your hand perfectly to give you an excellent vaping experience. A separate one touch power button is ergonomically located on the bottom of the mod. Ideal with the iSub Tank or Kanger Subtank Mini options.