Linkstyle 12V Cigarette Socket Panel, 3-Socket Cigarette Lighter Splitter & 12V 4.2A Dual USB Car Socket & LED Lighted ON Off Rocker Toggle Switch Panel with LED Voltmeter for Truck Car Marine Boat RV

Key features

• 6 IN 1 MARINE PANEL:This 12V socket panel is designed with a 3-Socket 12v cigarette lighter outlet+ 12v rv USB outlet + LED digital display voltmeter + LED rocker toggle switch. Convenient for installation and operation. Also detachable to replace other charger sockets or anything else that fits.
• 3-SOCKET CIGARETTE LIGHTER ADAPTER SPLITTER: Expanding three cigarette lighter sockets, enough for the simultaneous use of a variety of portable appliances in your vehicle.
• WATERPROOF DUAL USB CHARGER SOCKET: This 12v USB charger socket-outlet 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 charge 2 devices at optimal speed!
• REAL-TIME LED VOLTMETER: With a large digital voltmeter display that shows 5-48V voltage, you can monitor the condition of the battery on your car or boat if the voltage is under normal status.
• LONG LIFETIME WITH OVERCHARGE PROTECTION: Designed with rocker style switch, easy to use. Long lifespan of up to 10000 cycles. Overheated, over-current, and over-charging protection to ensure charging safety.