1. Switch four Ultra Hi-Def sources to one Ultra HD display
2. Supports resolutions up to Ultra HD 4K x 2K (3840 x 2160 @ 30Hz) and 1080P 3D @ 60 Hz Full HD
3. Automatically switch inputs to the most recently plugged in or turned on source.
4. Support HDMI input/output cable 10 to 15 meters at 1080p/8-bit resolution
5. CEC pass-through
6. HDCP compliant.
7. Support PIP（picture in picture ）