HDMI to VGA is suitable for no VGA output port of the computer, can convert hdmi signal into VGA signal output to the monitor, TV, projector. Power supply come from inside the HDMI cable, so no external power supply, do not need to install driver, use easily. Note: use the HDMI port the computer, the computer speakers could be no sound output, please enter the computer Settings. -- NOT compatible with Blu-ray player and devices with low-power HDMI ports such as SONY PS4, Apple MacBook Pro with Retina Display, Mac mini, and Apple TV -- Important Notes This is NOT a bi-directional adapter and it cannot transmit signals from VGA to HDMI Specifications Input: HDMI Male Output: VGA Female HDCP Support: No Audio Support: No Installation: Plug and Play Supported Resolutions: 1080p/1080i (1920x1080), 1600x1200, 1280x1024, 720p/720i (1280x720), 800x600, 576p/576i (768x576), 480p/480i (640x480) This hdmi to vga converter is NOT bi-directional.Only convert signal from HDMI Port to VGA port.Connects an HDMI compatible device to a monitor or projector with VGA port easily, a VGA cable is required. Supports resolutions up to 1920x1080 (1080p Full HD) including 720p and 1600x1200 for HDTV monitors or projectors. Supports resolutions up to 1920x1080 (1080p Full HD) including 720p and 1600x1200 for HD monitors or projectors; (Supported Resolutions: 480i/ 480p/ 576i/ 576p/ 800x600/ 720i/ 720p/ 1280 x 1024/ 1600 x 1200/ 1080i/ 1080p); Support HDMI V1.4, 3D; Support HDCP 1.0/1.1/1.2. Compatible with PC, laptop, Ultrabook, Chromebook, Roku streaming media player, smart TV box and other devices.** NOT compatible with Blu-ray player and devices with low-power HDMI ports such as SONY PS4, Apple MacBook Pro with Retina Display, Mac mini, and Apple TV. Gold-plated HDMI to VGA connectors, wear and corrosion resistance to ensure a long lifespan. Built-in active IC chip improves compatibility,Lower energy consumption, heat-reduced, extend the life of the product.