SONRU Dual USB Car Charger Socket with Touch Switch, Waterproof 5V / 4.2A Charger Socket Power Outlet 2.1A & 2.1A for 12V~24V Vehicles Car Boat Motorcycle SUV Truck Caravan Marine;

SONRU Multifunctional Quick Charge QC3.0 USB Charger Socket - with On Off Switch / Led Digital Voltmeter

All-In-One DIY Car Kit
This car kit is not only usb car charger, but also a voltmeter. Can be installed vertically, horizontally or underneath the dash, or any flat surface.

Broad Compatibility
SONRU USB charger socket fits for 12-24V car, boat, marine, motorcycle, ATV, RV etc. Suitable for charging mobile phones, GPS, digital cameras, PDAs and other USB accessories.

Waterproof & High Safety Standard Material
With IP66 waterproof grade, allows it do good job on boat! Adopted PA66 environment-friendly nylon material, high temperature resistant, low temperature resistant, also has anti-flame-retardant properties, makes it a high safety standard product.

Notes:
The voltage only can be shown when switching on the button.
Please cover outlets when not in use to aviod dust and water entering.

Specifications:
Power Input: DC 12V-24V
USB Output Voltage: 5V
Output: 3.6-6.5V/3A; 6.5-9V/2A; 9-12V/1.5A
MAX Power: 18W

Package include:
1*Dual USB Car Charger Adapter
1* 23.7 Inches Wire with 10A fuse
2* Blue Terminal