Narva 63219BL 12/24V Dual USB Charger With LED Volt/Amp Meter

12/24V DUAL USB CHARGER WITH L.E.D VOLT/AMP METER. Easy to read L.E.D Volt/Amp Meter, displays battery Voltage and switches to Amp draw when USB is plugged in to either or both USB Ports. Includes L.E.D Power Indicator in a sealed rocker switch footprint. Output: 5V 2.4A + 2.4A (per port). Mounting opening: 37.5 x 21mm.