The HD-One wall plate Transmitter series enables switching and extension for HDMI (up to 4K) and VGA (up to 1080p) signals, while providing HD extension up to 70 meters (230ft) and 4K extension up to 40m (130ft).HDMI, VGA and Audio inputs with RS-232 controlInputs can be switched automatically, manually or by RS-232 controlHigh quality matte anodized aluminum finish (US version featuring a decora plate)