1、This product can trigger any voltage that meets the PD2.0 specification, with good performance. 2、The colorful lights will flash once when the power is on, and the colors indicate the current working mode, press and hold the button and power on, the colorful lights flash quickly and then let go to enter the setting. 3、Short press to switch the color of the colorful lights, long press to save the light off. 4、Apply for the highest voltage logic, apply for the highest voltage value in the voltage, if there are multiple same highest values, apply for the last one. 5、Apply for the highest voltage logic, suppose the voltage is 5, 9, 20, 20, 15V, then apply for 20V, apply for the highest voltage value in the voltage, if there are multiple same highest values, apply for the last one. 6、To apply for fixed voltage logic, apply for the last voltage in the range of voltages. 7、Large capacitor ceramic capacitor filter and TVS anti‑surge and anti‑reverse connection, pay attention to stability. 8、After soldering, you can use the PD mobile power to charge the notebook, which is very practical.