Vandy Vape Berserker MTL Starter Kit is a tiny vape pen kit(19*123mm) created for real daily MTL. vaping, which performs the best for 50/50 e-liquid. With built-in 1100mAh battery capacity, it supports Constant Voltage Mode Bypass Mode, and there are 5 adjustable airflows for salt nic of various concentrations. For convenient operation, it has one shield-shaped button rounded by LED light, and USB charging is supported. The tank atomizer has 2ml/3.5ml juice capacity, and it features screw-to-open top refilling design.