Uwell Crown 4 / IV Box Mod is powered by dual 18650 batteries and is capable of 200W max output. With unique baroque pattern design, the Crown 4 mod gives you great visual experience. The new Circuit Board provides you stable and safe vaping. In a word, the Crown IV kit is a wonderful vape kit that can satisfy great vaping experience and visual enjoyment for you at the same time. Zinc alloy+PC+ABS+aluminum construction Innovative SS904 TC mode New circuit board design Reliable performance and fast firing from the new PCBA of UWELL Powered by dual 18650 batteries with a 200W maximum output Power mode;TCR mode;SS904 TC mode working modes The sleek mod frame provides a comfatable grip TC range at 100-300