Blue Sea Dual USB Accessory Panel w Socket Voltmeter This Blue Sea Dual USB Accessory Panel w Socket Voltmeter protects against water ingress with its silicon breaker boots and gasket. The polycarbonateABS panel face allows it to be corrosion resistant, UV-stabilized and flame retardant. With an illuminated technologies 15A circuit breaker switch, it provides the ability to shut off the panel preventing parasitic draw. This accessory panel features a dual USB charger, 12-volt socket, and a min