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

Features

• 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.