Dual socket will connect and charge devices including phones, tablets, fishfinders, chartplotters, and more! Tested and approved IPX4 waterproof rating with the cover closed and waterproof with 0, 1, or 2 cables plugged. Designed for use in all marine environments, the socket features an anti-corrosion coating, UV-resistant shell, and stainless steel hinge and spring. Easy to install with a low profile and small mounting footprint. 3.1A total or 2.1A from a single socket. Standard barrel size also fits existing USB sockets.