Power up portable PC with 11 smart tips set the correct voltages for users automaticallyFeatures. Compliant with 15V - 16V - 18V - 18.5V - 19V - 19.5V - 20V Voltages. 0-8A DC 120W MAX. LED Luminous Indicator of the Notebook Voltage. Delivered with 11 Different DC Output Tips for a Maximum Compatibility Center is Positive. Over Current Over Voltage and Short Circuit Protection. For Indoor Use Only