Zenith RDL: Atomizer Resistance: 0.3ohm. Wattage Output Range: 30W - 40W. Zenith Kal: Atomizer Resistance: 0.8ohm. Wattage Output Range: 14W - 17W. Zenith: Atomizer Resistance: 0.6ohm. Wattage Output Range: 9W - 13W. Includes: 5 x Replacement Coil.