The Uwell Caliburn GK2 Pod System, featuring an integrated 690mAh battery, 18W maximum output, and can utilize the Caliburn G & G2 Coil Series. Constructed from durable zinc-alloy, the chassis of the Uwell Caliburn GK2 is designed to be portable, while delivering delicious flavor and vapor. Holding up to 2mL of eJuice or nicotine salts, the Caliburn GK2 Pod System is equipped with a draw-activated firing mechanism, allowing for a chassis free of any buttons.