Output: for QC3.0+PD3.0（ for QC3.0:36W, PD3.0:55W）. The output of USB port: PD+ for QC3.0. installation It's for mount installation. The device can be installed on a flat for, with no need to cut a large hole, just a small hole to put the wire in, easy to be installed within 20 minutes.
eBay