The Uwell Caliburn A2 Kit is a slim pod device that is integrated with a 520mah battery and capable of a maximum power output of 15W. This pod system holds about 2ml of e-liquid and can be used either auto-draw or button activated draw.Specifications: Built in 520mah battery Power output: 15W Pod capacity: 2ml Top-fill system Magnetic cartridge Auto-draw or button-activated draw Type-C charging port Kit Includes: 1 x Caliburn A2 Device 2 x Caliburn A2 0.9ohm pods