Smoant Cylon 218W TC Box MOD is powered by dual external 18650 batteries (not included), the Smoant Cylon fires to a maximum output of 218W. The Cylon adopts updated Ant218 Version chipset, providing a stable performance and 0.015s fast firing speed. The interchangeable double UI brings an easy way for operation too. The Customized VW/TC Curve will meet your different vaping needs! Compact yet functional, this device will definitely upgrade your vaping experience to a new level!