The output of USB port：PD+ for QC3.0. Wiring：the black wire to the negative pole, and the red wire to the positive pole. 【 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
EU Wall Plug USB Socket Extender with Switch 4 AC Outlets 2 USB 2 Type C Ports Cube Multiple Socket Power Adapter for Home
Aliexpress UK
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
Delviz USB Socket with charging cable Retractable, Universal 5V 3100MA USBA+USBC Port, 20W Fast charging Type-C Wall USB Socket
Aliexpress UK
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
C-type USB3.0 Panel Socket Metal 22mm Circular Dual USB 2.0/3.0 Thread Module Connector USB interfacType-C HDMI Plug Sockets
Aliexpress UK
Simply installation It's surface mount installation. The device can be installed on a flat surface, 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
Desktop USB Socket Power Strip with individual Switches, Desk EU Plug Multiple Socket with USB C PD 20W, 2m Cable for Home
Aliexpress UK
【Simply installation】It's surface mount installation. The device can be installed on a flat surface, 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
2Pin USB Connector Type-C Waterproof with Female Socket Fast Charging Jack Charging Port USB-C Charger Plug Socket 1/5/10/20pcs
Aliexpress UK
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
2/5/10Sets USB 3.0 Type A male connector jack soldering type socket 3 in 1 DIY USB 3.0 Jack Male Charging Socket
Aliexpress UK
Wiring：the black wire to the negative pole, and the red wire to the positive pole. 【 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
USB Ports Socket DC 5V 3.1A Dual USB Built-In Car Camper Adapter Cigarette Lighter Multi Plug Charger Port Socket Car Accessory
Aliexpress UK
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
Power Strip USB Socket Adapter EU Plug AC Outlet Double Socket With 2 USB Port Fast Charging Home Office Surge Protector Adapter
Aliexpress UK