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

Key features

• EASY TO CONNECT: No instruction manual, so you must note that the brass pin on the switch must be connected to the negative for its backlight LED, whereas the two nickel pins are the positive-from-battery and the positive-to-load
• EASY TO INSTALL: Not have much spare clearance, when the 4 mounting holes are large enough to accommodate the device, they are very nearly the same size as the cover plate. So, measure and drill VERY CAREFULLY lest your cutout becomes larger than the plate meant to cover it!
• 4 IN 1 DESIGN: Linkstyle multifunctional 12v switch panel designed with RV USB outlet 12v + 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 unit that fits.
• DUAL 12V USB CHARGER OUTLET: This 12V USB socket is built-in dual USB charging ports, 2 ports output: 5V / 2.1A & 2.1A (total 4.2A), will auto-detect your devices and simultaneously charge 2 devices at optimal speed!
• LED ON-OFF ROCKER SWITCH: Designed with rocker style, easy to use. Long lifespan up to 10000 cycles. The additional cigarette lighter socket is portable for other appliances in your vehicle. (Blue led light goes off when the switch is off).