1. Supports 4 HDMI input ports, 1 HDMI output port 2. Compliant with HDMI 1.3a, HDCP 1.2. 3. Supports multiplexed HDMI 4-input and 1-output 4. Supports up to 1080P High Definition resolution 5. Supports Quad Multi-viewer and seamless switch 6. Supports 7201080P output resolution 7. Supports audio switch 8. Supports fast switching 9. Supports equalizer TMDS output: 25MHz--225MHz TMDS clock 10. Supports Blue-ray 245060fpsHD-DVDXVYCC 11. Supports 1080P input up to 15 meters and output up to 20 meters (Cable standard AWG26) 12. Inputs can be switched with the IR remote controller, also can be controlled by button 13. Extend the transmission distance and improve transmission signal 14. Compatible with DVI through a HDMI to DVI adapter 15. Supports hot plug-and-play 16. LED indicate signal and power mode. 17. No loss of quality 18. Installs in minutes Packing list - HDMI quad multi-viewer switcher x 1 - Remote controller x 1 - User manual x 1 - Power adapter x 1