OBS Cube Mod and Cube Tank, it features high-tech appearance. Constructed by zinc alloy, the OBS Cube Mod is ergonomic with comfort grip and exquisite buttons. Powered by a built-in 3000mAh 23600 A+ high rate battery with the fire speed of 10 milliseconds, it is very safe and durable. With the 0.96 inch LED screen, you can see the vaping data clearly. As for the included Cube Tank, which is made from stainless steel, it has 25.5mm diameter with a juice capacity of 4ml. with the pre-installed 0.2ohm M1 mash coil, it has a output wattage of 50~80W (BEST 65-75W), of course, adjustable bottom airflow system is also available which can bring you smooth flavor and huge clouds.