1、PROFESSIONAL DESIGN: This 1080P 2x2 HD Multimedia Interface switch splitter supports 1 HD Multimedia Interface or DVI input and 4 HD Multimedia Interface outputs. 2、MAIN FUNCTION: The main function of the HD Multimedia Interface splitter is to split a complete HD Multimedia Interface, DVI HD video signal into 4 pieces and distribute them to 4 video display units. 3、PLUG AND PLAY: Professional 1 in 4 out HD Multimedia Interface switch splitter supports 2x2 1x2 2x1 and other splicing, easy to operate, plug and play. 4、RESOLUTION SUPPORT: 2x2 HD Multimedia Interface switch splitter's input resolution supports 1080p 1080i 720p 576p 576i 480p; input resolution supports 1080p 1080i 720p 576p 576i 480p. 5、ALUMINUM ALLOY MATERIAL: 1 in 4 Out HD Multimedia Interface switch splitter is made of premium aluminum alloy, which is sturdy and durable, anti rust and wear resistance, with a long service life. Item Type: 2x2 HD Multimedia Interface Splitter Material: Aluminium Alloy HD Multimedia Interface Resolution: up to 1920x1080 Sound Format: Stereo Support: HD Multimedia Interface and DVI Input Support: RS232 Control Remote Control Battery Specifications: 2 x AAA Batteries (Not Included) 1 x Splitter 1 x Power Cable 1 x User Manual 1 x Remote Control