Dual USB Receptacle features two ports to charge cell phones, tablets and other devices powered by USB’s, a LED to show that power is available, and a cover to prevent water and dirt from entering the ports. The Dual USB has a 12 or 24 Volt input with a 5 Volt output, a total of 2.1 amps output between the two ports. This product is ideal for your USB onboard charging needs and designed for the marine environment.