The Zenith Minimal features smooth and precise airflow control. With a simple twist, you can customize the airflow to your exact preference, while maintaining a smooth, quiet draw. The Z-Coil's classic push-to-install design and integrated 510 connector ensure maximum conductivity, and minimal hassle and mess when changing coils. Brand: Innokin Unit: 1 Set Device Dimensions: 24*45.3 Color of Product: Stainless steel color, vacuum-plated black, gun color, seven-color Tank Capacity: 4.0ml and 2.0ml Resistance and wattage range: The atomizer comes with a built-in 0.8ohm coil (15-18W), and an additional 0.3ohm coil (30-40W) is included. Coil material: KTE Mouthpiece size: 12*16 Coil compatible? the Coil is compatible with all Zenith tank Glass replaceable or not: Yes Air flow: Yes Top or bottom airflow? Bottom airflow control Wick material: Nonwoven fabric heating at the top or at the bottom: Botton BVC or horizontal coil? Vertical placement How to fill the Tank: Open the upper cover and fill with e-liquids How to replace the coil? Open the bottom to replace the atomizer coil Package: Gift Box Each set contain: 1pc Zenith Minimal Tank 1pc 0.8ohm MTL Z-Coil 1pc 0.3ohm RDL Z-Coil 1pc MTL / 1pc RDL Mouthpieces