Uwell Crown V Kit is powered by dual 18650 external batteries (Not Included) and goes up to 200W. Uwell Crown V Kit features 0.96-inch TFT colour screen to display all vaping information. Uwell Crown V Tank adopts top filling system. Uwell Crown V Tank features 2ml capacity with Patented Self-Cleaning Technology. The filler holes have a silicone valve to avoid e-liquid leakage and make the filling cleaner. With the innovative Pro-FOCS flavour testing technology will provide you with the ultimate vaping experience.