Specifications: HDMI Input: 4 HDMI input HDMI Output: 1 HDMI output HDMI 1.4b&HDCP 1.4: Supported 4 channels HDMI signal screen segmentation: Supported 4 channels HDMI signal seamless switching: Supported 4K@30Hz/1080@60Hz resolution: Supported 4 USB 2.0 port and KVM control: Supported IR control: Supported Input support resolution: 4K,1080P,720P,1080i,1024X768,1360X768 etc Support audio output format: PCM2 Input cable distance: 15M (AWG26 HDMI standard cable) Output cable distance: 24M (AWG26 HDMI standard cable) Max bandwidth: 330MHz Max baud rate: 10.2Gbps Maximum working current: 0.6 A Power adapter: 5V/2A Features: Widely Compatible: This HDMI 4X1 Quad Multi-viewer support HDMI 1.4 and HDCP 1.4 and backward compatible. 4 HDMI input port support connecting DVD player, TV, Blu-ray players, game console, etc. HDMI output port support connecting various HDMI display device like monitor, HDTV, projector. Package List: 1x HDMI 4x1 quad KVM multi-viewer 1x USB Power Cable(Not included Power adapter) 4x USB Data cable 1x Remote control(Not included 2* AAA batteries) 1x User manual