Type C (PD): 5V-3A/9V-3A/12V-3A. Dual port PD3.0+dual QC3.0 fast charging simultaneously. The screw hole is located under the cover, first fix it with screws. Find a suitable position to open a hole (or directly connect the circuit to fix it without opening a hole), fix the main body with screws, and cover the panel.
eBay