The Wulf Uni Adjustable Vaporizer combines Wulf's iconic splatter patterns with Yocan's vaporizing engineering. This vape mod easily adjusts to accommodate most 510 threaded cartridge sizes. Customers simply turn the dial near the top to adjust the valve. The mod also has an adjustable height feature to accommodate cartridges of various height. Likewise, customers will love the preheat functionality that warms up oils before use. Two clicks of the power button to turn on and two clicks to turn off. There are also 3 pre-built voltage settings to vaporizer any oils at their peak temperatures. The vape mod has an integrated 650mAh battery and is charged by micro USB.