... . 2. 4 AV output, can supply to 4 displayers synchronously. 3. The terminal of antenna output +5V for the amplifier on ... , temperature, and power shock durability for designing. 7. Built-in digital regulating receiver, no snowflake, ghost image, distortion, and color change will ... aspect ratio 4:3, 4:3 Full, 16:9, 16:9 Wide, can easily switching. 10.Can receive digital TV program of standard ...