Revesun HDMI 2x1 Multi-Viewer with PIP ( 2 input 1 output ) Quad Switcher 1080p HDMI 1.3a HDCP 1.2 Compliant with HDMI 1.3a,HDCP 1.2 Supports multiplexed HDMI 2-input and 1-output and 4 display modes Supports up to 1080p High Definition resolution Support scaler up, scaler down function Support multi output resolution Support digital audio format LPCM/AC3/DTS