12V cigarette lighter socket panel, 3-socket cigarette lighter splitter and dual 12V 4.2A USB car socket and LED illuminated rocker switch panel with Le

6-in-1 Marine Switch Panel – This 12V power strip is designed with a 3-outlet cigarette lighter socket, a 12V USB/RV socket, a digital LED voltmeter, and an LED rocker switch. Convenient to install and use. Also detachable to replace other charger sockets or any other suitable device. 3-Outlet Cigarette Lighter Adapter Splitter – Extends three cigarette lighter sockets, sufficient for the simultaneous use of a variety of portable devices in your vehicle. Waterproof Dual USB Charger Socket - This 12V USB charger socket features two built-in USB charging ports and two output ports: 5V/2.1A and 2.1A (4.2A total). It will automatically detect your devices and charge two devices simultaneously at optimal speed. Real-Time LED Voltmeter - With a large digital voltmeter display showing a voltage of 5 to 48V, you can monitor the battery status of your car or boat if the voltage is within a normal range. Long Lifespan with Overcharge Protection - Designed with a rocker switch for easy operation. Long lifespan of up to 10,000 cycles. Overheating, overcurrent, and overcharge protection ensure safe charging.