Product Description This video adapter is desinged for converting the HDMI digital signal to VGA analog signal. It enables the PC, Laptop DVD, PS3, Xbox 360 Sky HD, Apple TV and other HD device to be connected to VGA monitor, projector or other display for education, business presentation, commercial promotion, conference, exhibition, etc. It supports the high definition output of 720P or 1080P. The HDMI to VGA Adapter allows for aconnection to VGA monitors and projectors supporting a maxinum  resolution.  Built in Chipset, Plug and Play, no software is needed. Input resolutions : 480i/480p/576i/576p/720p/ 1080i/ 1080p. Uses a single HDMI cable to connect your laptop, S3, xbox to the HDTV.Small & Light - also great for travel and presentations. Supports full-size high-definition resolution of 720p or 1080p Convert the HDMI output port on your laptop to an analog VGA input with the HDMI to VGA Conversion Adapter. Support most of VGA and HDMI devices. Plug and play, powered by HDMi, no external power adapter required. Notice: VGA port does not  support Audio output . The audio will stay in the original device.