The Onnix 20W Kit is Freemax's first pod system with a 3-level adjustable power output function, allowing you to adjust the power output to customize your vaping experience. You can adjust the wattage with 3 clicks of the firing button, and the LED light will variably indicate the level of wattage. When you use the OX Mesh Coil 0.5ohm, the red light will show you the wattage of 16W. And the blue light is 18W and the green light is 20W. While using the OX DVC Coil 1.0ohm, the red light will show you the wattage of 9W. However, the blue light is 11W and the green light is 13W. If you want to know the other features of Freemax Onnix 20W Kit, please enter here directly>> Onnix 20W Kit | Freemax - Taste the Clouds, Feel the Flavors!