The Comprehensive VGA2HD01 VGA to HDMI 1080P Scaler Box is designed to upscale the analog video signal from a PC source to a digital HDMI output, up to 720p or 1080p. Besides video upscaling, the scaler box also converts the audio signal from analog L/R to digital format, then output to HDMI combining with the video. Unit is covered by our 2 year warranty.