The Dragoo mod by VapMod is a portable and fashionable 3D DIY panel kit that is powered by 650mAh built-in battery. It is equipped with four voltage levels and armed with preheating function to show you the convenience and security. Besides, applying the preheating function to vape in cold weather, it also comes with colourful LED indicators and battery level display. As for the 510 adapters, it's universal for all 510 threaded cartridge and convenient to connect. What's more, multiple electronic protection, which makes it much securer and more reliable.