View your computer or browse the internet on a big screen hd tv with trendnets usb 30 to hd tv adapter model tu3 hdmi the adapter converts a usb port on your windows based computer to an hdmi port to extend your computers viewing field to an hd tv monitor or projector extend mode adds an hd tv viewing field to the left right top or bottom of your existing monitor mirror mode copies your monitors viewing field to the tv the primary display function transfers operating system co