TheTesla Invader III 240W Box Mod is the power evolution of output technology, integrated with a proprietary chipset capable of 240W of power, variable voltage adjustment, oversize firing button, and a compact Hi-Tech composite finish. The chipset is notably powerful, actually capable of producing output wattage greater than 240W, max output current of 45A, minimum atomizer resistance of 0.1ohm, and Instant Feedback technology. A potentiometer control knob can be used for voltage adjustment, with a range between 3.7 to 6.6 Volts. Furthermore, a blue light flash acts as a warning system, notifying errors such as low battery voltage, reaching the puff cutoff, over current, or short-circuit. Built with style and ergonomics in mind, the Tesla Invader III is Integrated with a sliding magnetized door that makes the dual 18650 batteries (not included) simple and easy to replace. A true box-style chassis allows comfortable grip of the device, with high-quality Zinc Alloy construction for maximal durability in the case of accidental drops. Brilliantly engineered with implementation of high performance functionality, the Tesla Invader III 240W Box Mod is a must-have collection for those looking for a little extra power.