It supports 1080p Full HD. It is a small, circular dongle that plugs into your TV's HDMI port to make it "smart".
Google Chromecast 3rd Generation - Super Fast Delivery - Tracked 48 Postage
Google Chromecast 3rd Generation Boxed **BRAND NEW SEALED**
Google Chromecast 3rd Generation HDMI HD Media Streaming Device
Google Chromecast 3rd Generation - Fast Delivery
Google Chromecast 3rd Generation 1080p HD Digital Media Streamer
Google Chromecast 3rd Generation Boxed no Plug
