The hdmi converter box can convert one input hdmi signal into a vga analog video signal and one digital audio or one analog audio output. The hdmi input port can be connected to any standard hdmi signal source device (such as the dvd player, ps3, s xbox360, stb, pc) .The vga output port can be connect to display device (tv/ monitor/ projector ) . The spdif/audio port can output high quality sound to an av surround amplifier. Features One single hdmi signal input convert to one vga + spdif or one vga+ analog audio signal output. Support hdmi input: 480p/720p/1080p @60hz Vga output resolution format with the input format automatically changes: 640×480@60hz, 800×600@60hz, 1024×768@60hz, 1280×720@60hz, 1280×768@60hz, 1280×800@60hz, 1280×1024@60hz, 1360×768@60hz, 1600×1200@60hz, 1920×1080@60hz The corresponding hdmi resolution: Hdmi input Vga output 480p 640×480 @60hz 720p 1280×720 @60hz 1080p 1920×1080 @60hz Support dts/ac3/lpcm/pcm digital audio output, support 5.1ch Built-in digital audio decoder, the lpcm/pcm digital audio decoding into analog stereo output Low-power digital single chip solution, less heat and long time stability Easy to install and automatically check the input signal No need extra power supply