***** ********** *****4 in 1 Design - This multifunctional 12v switch panel designed with RV USB outlet 12v + LED digital display voltmeter+ 12v cigarette lighter outlet + LED rocker toggle switch. Convenient for install and operate. Also detachable to replace other charger sockets or anything else that fits. ***** *****Waterproof Dual USB Charger Socket - This 12V USB 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 - This switch panels for trucks with large digital voltmeter display that shows 9-24V 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. The additional cigarette lighter socket is portable for other appliances in your vehicle. (Blue le