MCE4 clearomizer Advantage:The update of CE4,looks like eVod bcc,but it's notthe bottom coil style,also has a window to see theinside of the clearomzier.1.Good taste, huge vapor, no leaking2.smooth airflow3.the coil head can be replaceable4.you can change and clean easy5.good design,high quality,low price6.Working with ego&510 threaded batteries Length of the atomizer:69mmDiameter of the atomizer:14mmWeight of the atomizer:22gVolume of the atomizer:1.5mlAtomizer resistance:2.5-2.8 OHMNormal Working Voltage:3.3-4.2 V