1. One single HDMI signal convertto one VGA + SPDIF or one VGA + analog audio signal output 2. Support HDMI input: 480P / 720P / 1080P@60Hz 3. VGA output resolution format with the input format automatically changes: 640 x 480@60Hz 800 x 600@60Hz 1024 x 768@60Hz 1280 x 720@60Hz 1280 x 768@60Hz 1280 x 800@60Hz 1280 x 1024@60Hz 1360 x 768@60Hz 1600 x 1200@60Hz 1920 x 1080@60Hz the corresponding HDMI resolution 4.Support DTS / AC3 / LPCM / PCM digital audio output support 5.1ch 5. Bulti-in digital audio decoder the LPCM / PCM digital audio decodering into analog stereo output 6. Low-power digital signal chip solution less heat and long time stability 7. Easy to install and automatically check the input signal 8. No need extra power supply