Dual USB Charger +Red Voltmeter + Jumper Volt Meter Panel Mount Marine 3.1 amp, 12 V Motorcycle Power Outlet #Cvmr/cu/tplt/ycn8 Combination voltmeter and duel USB charger Panel mount water resistant assembly High quality materials. Rated for 3.1 amps at 5 volts Comes with wire jumper for fast installation.