The ThermoVape Evolution Vaporizer is the world's first convection vaporizer cartridge. This standard model is designed to operate at 6V. The revolutionary design is centered around performance, simplicity, durability, safety, and a compact form. A true convection driven vaporizer, the Evolution generates incredibly clean, pure heat, and nothing else. The result is a vaporizer that produces flawless vapor, releasing the true essence, and flavor of your favorite botanicals. There is no combustion, and no smoke. Just pure vapor.