Smokjoy Air 50 is a box mod with TC Temperature Control and VW Variable Wattage functions. It comes with build-in 1200mAh battery that can support 7~50W power output.

authentic-smokjoy-air-50-rta-kit-w-air-50-1200mah-tc-vw-box-mod-black-750w-18ml-20-mm-diameter