Uwell Crown 4 Kit is consist of a Crown 4 tank with a Crown 4 mod. The Crown IV Box Mod is powered by dual 18650 batteries (not included) 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. The Crown 4 tank adopts advanced patented self-cleaning technology, which can absorb the e-juice in the condensation holder through regular usage and vaporize it. It utilises Dual SS904L coil and Double helix mesh coil to achieve heating evenly and produce excellent flavour.