IOGEAR AVIOR 8-Port HD Audio/Video Switch with RS-232 Support GHSW8181 Max Source Support: 8 x HDMI Sources Resolution Support: 480i, 480p, 720p, 1080i, 1080p HDMI: 8 x Female HDMI Type A 19 Pin input 1 x Female HDMI Type A 19 Pin output Serial Interface: Serial RS-232 bi-directional control port for high-end system control LED Indicator: Input: 8 Power On:1 Power Consumption: 3 Watts (max) Power Supply: DC5V 1A Specification: Data Rate: Up to 2.25Gbps Case: Metal