Evod 1100MAH - Includes full pen with battery, tank, and charger. Can use a cartridge with a 5/10 thread Evod 4-in-1 - Same as Evod 1100MAH, but includes 4 pieces. One for herb, one for wax, one for a vape, one for mct. Yocan UNI -  Working with built-in 650mAh battery and adjustable three levels voltage indicator light, the Yocan UNI MOD can bring you stable vaping experience. The mainly distinctive feature of the UNI is that it comes with the adjustable knobs located just right beneath the lips of the cartridge chamber. You don't have to worry if the atomizer is too tall or too short. The UNI will let you adjust the height of any oil atomizer.   
 
Note: This product is intended for use with essential oils and cannabidiol extracts in states where the sale and consumption of these type of oils and extracts are legal