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
Car Dashboard Flush Mount Line USB 2.0 Port Panel Extension Cable Male to Female Socket Excellent Plastic Adapter
Aliexpress UK
UK Folding Walking Stick Seat Aluminium Cane Chair Stool for Senior, Load 150kg. Retractable Baby Toddler Gate Safety Folding Pet Dog Gates Stairs Grey 300 cm UK. Electric Heat Pad Heating Pad Back Neck Shoulder Belly Heating Relief 50x100cm.
eBay
5/10Pcs USB 2.0 A Male Connector Type A 4 Pin SMT SMD DIP Panel Mount Plug Jack Socket Connector DIY
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
1PCS USB 3.0 Panel Mount Connector D-Type Metal Female Dual Port Socket for Industrial Car Audio DIY Computer Case，adapter
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
Momentary Push Button On Off Switch Black Plastic 12V 24V Surface Mount Mini Button Switch
Aliexpress UK
The output of USB port: PD+QC3.0. 【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
Momentary Push Button on Off Switch Black Plastic 12V 24V Car Alarm Button DIY Flashlight Surface Mount Mini Button Switch
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
Paste Type Switch Car Rocker Switch ON/Off Surface Mount DC 12V Push Button Switch led Light Strip Switch for Various Lamp
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
In Wall Bottom Junction Box Mount for Socket USB Multi Frame,Triple Dark Box Quad Back Box,Switch Box Flame Retardant PVC White
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
Car Dashboard Flush Mount Line USB 2.0 Port Panel Extension Cable Male to Female Socket Excellent Plastic Adapter
Aliexpress UK