The Yocan ZIVA Vape MOD is auto-draw activated. The 510-thread fits up to 2 gram cartridges. The cartridge is encased in the magnetically connected aluminum alloy body. With just three quick clicks, effortlessly set your desired voltage level to low, medium, or high. Personalizing your vaping experience is that simple! USB Type-C Charging Technology. 650mAh Battery Capacity Variable Voltage Setting Aluminum Alloy Body Magnetic Connection LED Light Indicator