4K/3D compatible 4-port HDMI selector, AV-S04S-K model. - Model: AV-S04S-K - Number of ports: 4 ports - Supported resolutions: 4K/3D compatible - Connection terminals: HDMI 1.4 - Color: Black Thank you for viewing. I purchased this several years ago and have kept it in storage without using it. (Purchase date is unknown) *Since it is unopened, I have not confirmed its operation. Please consider purchasing if you understand this.