Uwell Crown V Tank is made of stainless steel and has been delicately polished to present bright luster and a smooth feel. The Roman numeral "V" is embedded on the design of top cap and airflow ring. Crown V atomizer can absorb the e-juice in the condensation holder through regular usage and vaporize it. It reduces juice leakage and lessens the cleaning frequency.Crown V Tank: 29mm x 50.5mm. Capacity: 5ml. Pro-FOCS Flavor Testing Technology. 0.23ohm UN2 Single Meshed (65W - 70W). 0.3ohm UN2-2 Dual Meshed (50W - 55W). 0.2ohm UN2-3 Triple Meshed (65W - 70W). Includes: 1 x Crown V Tank. 1 x Replacement Glass. 1 x 0.23ohm UN2 Single Meshed. 1 x 0.3ohm UN2-2 Dual Meshed. 1 x Pack of O ring. 1 x User Manual. 1 x Drip Tip Cover.