Feature: 1. EROSION RESISTANCE: RV USB outlet wires for connection are UL/1015 compliant, resistant to most oils, solvents, compounds, acids, and do not spread flames 2. SHORT CIRCUIT : RV USB sockets more→feature automatic fuses that ensure of cables and receivers from overload and short circuits in devices and equipment 3. WATERPROOF MATERIAL: The housing of RV USB socket adopt ABS high and low temperature flame retardant environmental material, and has waterproof pad, screw mounting, with IP65 waterproof 4. PRE WIRED: RV USB outlet come with overload protector, the product has been connected to the line, red for + pole, black for ? pole, as long as the connection can be used 5. APPLICABLE