1、Versatile Use: The screen divider multi viewer simultaneously display four HD Multimedia Interface image signals on one display unit, allowing you to view four HD Multimedia Interface sources at the same time. 2、Enhanced Stability and Durability: Constructed with aluminum alloy matte material and designed with heat dissipation holes on both sides, the multiviewer switch improves overall performance and longevity. 3、HD Multimedia Interface Port: The HD Multimedia Interface port blocks interference, and compatible with various high definition versions for stable image transmission and faster speeds. 4、Full HD Compatibility: The quad seamless switcher supports 1080P 60Hz resolution output, with backward compatibility for multiple resolutions including 1080i, 720P, ensuring seamless switching for full screen display. 5、Multiple Display Modes: Choose from 5 different display modes, image evenly divided, more prominent main picture, H shaped distribution, left and right mode for dual screen viewing, full screen display seamless switch. Item Type: Multiviewer Switch 4x1 Material: Aluminum Alloy Support: 1080P, 720P, 1080i, 1024x768, 1360x768 Sound Output Format: PCM2 Remote Control Battery Spec: 2 x AAA Battery (Not Included) 1 x Multiviewer Switch 1 x Remote Control 1 x User Manual 1 x  Cord