3 Trigger ProtocolsThe USB C to DC barrel cable supports PD/QC/AFC trigger protocols.There are operating instructions on the back of the product,so don't worry about losing the manual. Strong ReusabilityThe PD trigger adapter supports USB A and USB C interface,easy to match different interface adapters or power bank,and compatible with 65W/45W/30W/18W and other outputs. Voltage Switching and DisplayLong press the button to switch the voltage cyclically between 5V/9V/12V/15V/20V,and short press the button to switch the voltage display (on or off),quickly double the button to switch to memory mode.High reliability,repeated use,and reduction of resource waste are the design concepts of FARSENSE.It supports multiple voltage outputs and facilitates the multiplexing of multiple devices (game consoles,telescopes, monitors,routers,etc.). Lightweight AppearanceThe PD USB C charging cable has a light and small size, you can get rid of the heavy charging block/power brick,you c