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

Key features

• 4 IN 1 CHARGER SOCKET PANEL: This 12v socket panel designed with 12v RV USB outlet + LED digital display voltmeter+ 12v cigarette lighter outlet + LED rocker toggle switch. Convenient for installation and operation. Also detachable to replace other charger sockets or anything else that fits.
• WATERPROOF DUAL USB CHARGER SOCKET: This 12v USB car socket is built-in dual USB charging ports, with two ports output: 5V/2.1A&2.1A (total 4.2A), which will auto-detect your devices and simultaneously charge 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 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. 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 is also smart to identify the most appropriate current for your device.