Lindy 4x4 HDMI Matrix Switch with Video Wall Scaling Technical details Specifications AV Interface: HDMI Interface Standard: HDMI 1.3 Supports Bandwidth: 6.75 Gbps Maximum Resolution: 1920x1080@60Hz 4:4:4 12bit HDCP Support: 1.1 Supported Audio: Audio Pass-through IR Support : 20-60kHz CEC Support: - Serial Interface: RS232 LED / LCD Display: - Control: IR, RS232, Telnet Special Features: Video Wall Scaling Up/Down Scaling Connectors Input: 4 x HDMI (Female), USB Type Mini-B (Female) Output: 4 x HDMI (Female) Control: RS232 (Female), RJ45 (Female) Power: 5.5/2.1mm DC socket