The Exxus Slim VV Cartridge Vaporizer is seamless function and balanced power combined into one easily attached unit. This device is a near comprehensive fit for a vast spread of tanks as it has a 510 thread attachment port. Because the Exxus Slim VV is a variable voltage device, the output voltage can be tweaked to hit anywhere between 2.6V and 4V. With a ten second heat up interval, this device is perfect for creating quick, satisfying sessions.