Blue Sea System Fast Charge Dual USB Charger - Switch Mount Blue Seas Fast Charge Dual USB Charger allows rapid charging of phones, tablets or other mobile devices. This intelligent device charges at the speed required by specific devices. Features a protective dust cap to keep debris and moisture out, proloning the life of the charger. This easy-to-install charger mounts in an existing contura switch aperature. Internal filtering for reduced electronic interference Over temperature protection C