The 2ml CS Micro Tank is constructed from glass and chrome with a 1.5ohm CS dual coil atomizer head perfect for variable voltage/wattage devices. An ergonomic chrome mouthpiece and 510 connector complete the tank. Uses CS coil heads, The 1.5ohm coil is specifically designed to operate on variable wattage/ voltage devices with outputs ranging from 8 - 20W (3.5 - 5.5V) to create the best vaping experience for a range of users.