Feature: 1. High-Performance: Divide a complete high-clear image signal into 4 blocks and assign it to 4 video display units (such as rear projection unit, LCD TV, etc.). Complete with 4 video display units to form a large dynamic image wall. 2. 180° Rotation: Using the HDTV as the screen allows you to rotate the screen 180°. You can install the TVs in an orientation with the thinnest edges. Input devices can support 4k, but output devices support 1080P. 3. Create Large 2x2 Video Wall: The 2x2 video wall controller allows you to create eye-catching large format video walls and digital signage displays via LCD splicing screens. There are 8 display modes for your choice. 4. 4K@60Hz Input and 1080P Output: Both the HDMI-compatible input and output support 1920*1080P@60Hz display. Compatible with various computers, laptops, and disc players can all be great signal sources. 5. Easy Installation: No driver needed. A remote control is provided for your easy control, you can also push buttons on the controller directly. It is compatible with most TVs. Please use the high-quality HDMI-compatible cable. Specification: Type: EU-Plug, US-Plug, UK-Plug (Optional) Color: Black Structure: Metal Support input: 1920x1080P, 24/30/50/60Hz, and lower resolutions Support output: 1920x1080P, 60Hz Item Size: 20.5 * 9.7 * 2cm/8.07 * 3.82 * 0.79in Item Weight: 475g/16.76oz Package Size: 24.2 * 13.8 * 5.9cm/9.53 * 5.43 * 2.32in Package Weight: 720g/25.4oz Package List: 1*Controller 1*Power 1*Remote Control 1*User Manual