1.[4 in 1 USB-C HUB]This USB C to DVI/VGA/HDMI adapter allows USB C enabled devices to connect with HDMI/VGA/DVI-equipped devices ( such as monitor, projector, TV) for multiple monitors. Plug and Play, Ideal for Office, Conference, Presentation, Home-theater entertainment 2.[Crystal Clear Images]The HDMI & DVI ports deliver high-definition video in up to 4K UHD( 3840 x 2160 ), which is 4 times clearer than 1080P. With USB 3.1 Type C to DVI/HDMI/VGA adapter, you can enjoy vivid images, easy to create a home theater, and make presentations at meetings 3.[DVI Port]Built-in advanced IC chip converts USB-C digital signal to DVI signal; The USB Type-C source should support the USB Type-C Alt Mode. The DVI monitor should support the DVI-D signal. The DVI female slot only outputs the DVI-D digital signal, it doesn't support the DVI-I analog signal 4.[VGA Port]The VGA port allows you to stream high-definition video 1920x1200(up to Full HD 1080p) in your type c compatible computer to monitor or projector with VGA. The male-to-female converter will provide fast and smooth signal transmission. NOTE: VGA port allows only video, no audio output