The UWELL Crown 4 Kit includes Crown IV Mod and Crown IV Tank.
The Crown IV Mod is powered by dual 18650 batteries (not included) with a 200W maximum output. It features multiple work modes and several safety features. The Crown IV has leak-proof 510 connector that can prevents the juice leaking into the mod. With the new circuit board design, the mod is powerful and stable. The protruding Crown fire button gives you a much better handing feeling. The innovative SS904 TC mode perfectly fits with the SS904 coil of the CROWN Ⅳ. And the UN2 meshed coil has larger heating space and heats evenly to offer better flavor.
The e-liquid capacity of the tank is 5ml (6ml with bubble glass)
More info available here: https://mall.myuwell.com/collections/crown-iv/products/crown-iv-crown-4-kit