The authentic Uwell Caliburn G Pod System Vape starter Kit is the upgrade version of Caliburn, works with 690mAh built-in battery and can fire up to max 15W output. Uwell Caliburn G Pod System Vape kit can vape directly through air pressure sensor or manual button to start vaping. Uwell Caliburn G Pod cartridge comes with 2.0ml capacity with top-fill and leakproof design. Uwell Caliburn G pod cartridge supports two different airflows: restricted DTL vaping (when the air inlet of the pod and the air inlet of the device are close to each other) and MTL vaping (when the air inlet of the pod and the air inlet of the device are far away from each other).