Linkstyle 4 in 1 Marine Switch Panel, 12V 4.2A Dual USB Charger Socket Power Outlet & LED Voltmeter & Cigarette Lighter Socket & LED Lighted ON Off Rocker Toggle Switch for Truck Car Marine Boat RV

4 in 1 Control Panel: It designed with 12v rv usb outlet + LED digital display voltmeter+ 12v cigarette lighter outlet + LED rocker toggle switch. Backside terminals are clearly marked "+ "and "-", it comes with wires, you can connect per your demand. On/off switch can be used for the device or for your light bar. If you use the switch for something else, just make sure you didn't exceed the power rating.
Waterproof Dual USB Charger Socket: This 12v USB car socket is built-in dual USB charging ports, two ports output: 5V/2.1A&2.1A (total 4.2A), will auto-detect your devices and simultaneously charging 2 devices at optimal speed!
Real-Time LED Voltmeter: With a large digital voltmeter display that shows 0-30V voltage, you can monitor the condition of the battery on your car or boat that if the voltage is under normal status.
LED On Off Rocker Switch: Designed with rocker style, easy to use. Long lifespan up to 10000 cycles. An additional cigarette lighter socket is portable for other appliances in your vehicle.
Overcharge Protection: Over-heated, over-current, over-charging protection; This dual usb charger power socket also smart to identify the most appropriate current for your device.

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