Wall Plate/Power Supply-Cable Ready is + 12 volt DC power supply with polyfuse in a flush wall plate. Features a 75 ohm coaxial input and output connection, 2-way splitter for a second TV, input switch for cable or RV antenna, + 12 volt DC cigarette lighter receptacle for TV set plug-in. Packed 1 per bag. Use with Winegard amplified antennas only.