For direct access to this product please click on this link. This is a true matrix 4 x 2 switch. It allows up to 4 source devices and up to 2 displays can be connected. You can have the same video mirrored on all displays, or use the switch to send different video to each monitor. Input source for each display is selected by pushing a button on HDMI matrix box, or using remote control. This switch also has RCA & SPDIF audio output for separate home theater audio system. The IR Extension function allows you to extend remote control IR signal through HDMI cable. Say you have a TV and cable box in the living room and second TV in the bed room upstairs. You can change cable channel either in the living room or on the bed upstairs with the cable box remote control. You do not have to go downstairs each time you want to change cable channel. IR adapters sold separately. Features: True matrix 4 x 2, (4 inputs / 2 outputs) HDMI version: High speed with 3D support HDMI resolution: 1080P24fs/1080P/1080i/720P/576P/576i/480P/480i RCA and SPDIF (Toslink) Audio output LED display for input /output selection Select input/output by IR remote control or manual switch Desktop or wall mount IR extension supported (Need 60067, 60068, and 60069) Max output cable length: 60Ft Power adapter: Input: AC (50HZ.60HZ) 100V-240V; Output: DC5V: (included) Don't Forget the Cables!