Crown 4 200W TC KitPlease note: This device requires 2 x 18650 batteries to function. The Uwell Crown 4 200W TC Starter Kit is a premier advanced vape system, presenting a high end design impression with an all new proprietary chipset to pair with the wildly recognizable Uwell Crown 4 Tank. The Uwell Crown 4 Starter Kit utilizes a proprietary chipset to receive a near instantaneous firing speed and allows the Crown 4 box mod to achieve wattages of up to 200W.