"Complete socket panel protection. 12V car charger with overcurrent protection, overheat protection and overcharge protection, the waterproof car charger panel will automatically shut off when overcharged, preventing your device from overheating and overcharging. Multi-Functional Design Dual USB socket multi-functional panel helps you get rid of tangled wires and make your car cleaner. The switch panel features a 4-in-1 design with two 4.2A USB charging ports, 1 LED digital voltmeter, 1 12V cigarette lighter socket and 1 LED rocker switch. The perfect control panel, always responsive to your machine and the load. LED digital voltage monitor The USB socket panel displays the current detected by the intelligent circuit in real time during charging. The real-time LED voltmeter can remind you whether the voltage is in the normal level to ensure driving safety. It helps you monitor the electrical safety of your machine and lets you easily find and check connections at any time of the