The converter can allow one VGA Input+ one SPDIF audio input or one VGA input +one RL audio input, one HDMI output. It can easily change the VGA+SPDIF or VGA+RL signal to the HD Signal to play at the HD Display. FEATURES One VGA+RL input or One VGA+SPDIF input change to One HDMI Signal Support video input : VGA analog Support Audio Input: RL Analog Signal, SPDIF Digital Signal. HDMI output : Support up to 1920x1080@60HZ Support VGA input: 800x600@60HZ,800x600@75HZ,1024x768@60HZ, 1024x768@75HZ 1152*864@60HZ,1152x864@75HZ,1280*720@60HZ,1280x768@60HZ,1280x800@60HZ,1280x960@60HZ,1280x1024@60HZ,1280x1024@75HZ,1360x768@60HZ,1366x768@60HZ,1440x900@60HZ,1600x1200@60HZ,1680x1050@60HZ,1920x1080@60HZ HDMI output resolution:720P/ 60Hz. 1080P/ 60Hz; Adaptive PAL / NTSC standard. It can choose the SPDIF audio or RL audio input by use the manual button. The HDMI Output cable length can support up to 15M if use the standard AWG26 HDMI Cable. low-power digital single chip solution, less heat and long time stability Easy to Install and Automatically Check the input signal It can do power supply by the Micro USB Power Supply Port