The 4x2 HDMI Matrix simultaneously four routes HDMI sources to two HDMI displays. It supports resolution up to 4K2K 50/60Hz YCbCr 4:2:0 and HDCP 2.2. 2. This product supports audio extract from output A or output B port to optical and analog output and can be selected AUTO, COPY and STD modes EDID control. Flexible control through on-panel buttons, IR remote control. Feature: 1. HDMI 1.4b, HDCP2.2/HDCP1.4 and DVI 1.0 compliant. 2. Supports HDMI resolution the maximum up to 4K2K 50/60Hz (4:2:0). 3. Supports digital and analog audio extract output from output A or output B. 4. EDID can be selected AUTO, COPY and STD mode via selector on panel. 5. Supports analog audio PCM 2.0. 6. Supports optical audio pass-through format including LPCM 2.0/2.1CH, Dolby 5.1, Dolby True HD, Dolby DD+, DTS 5.1, DTS-ES 6/DTS-HDMA 5.1, DTS HD-HRA 5.1. 7. Control is via on-panel Button and IR remote control. Specification: Product size: 250*185*55mm/9.84*7.28*2.16'' Product weight: 500g Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Included: 1 X 4X2 HDMI Matrix with Audio Extractor 1 X 5V/1A Power Adapter 2 X Mounting Ears 1 X Matrix IR Remote Control 1 X User Manual