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. AUTO-DRAW VAPE Ziva designed with an airflow sensing that ensures seamless vaping action, just a few gentle puffs, you can effortlessly indulge in your vaping session. MAGNETIC CONNECTION DESIGN The Ziva body and base feature a robust magnetic connection, enabling effortless and swift disassembly and reassembly. Say goodbye to complicated setups and hello to convenience. VERSATILE COMPATIBILITY& DISCREET DESIGN Yocan Ziva is compatible with any 510 thread carts with a diameter of ?14mm and height ?62mm . Its concealed design ensures that it remains inconspicuous in most situations. Keep your vape experience low-profile, enjoy vaping discreetly. PORTABLE AND DURABLE The overall body is crafted from premium aluminum alloy, which not only makes the device exceptionally lightweight but also guarantees unmatched durability. THREE VOLTAGE SETTINGS With just three quick clicks, effortlessly set your desired voltage level to low, medium, or high. Personalizing your vaping experience is that simple! “Blue” = 2.6V “Green” = 3.2V “Red” = 3.8V