The TruLink QXGA Switcher/Extender allows you to display two computer video outputs on one monitor or projector. Daisy-chain up to three switchers to expand the number of computers you can connect. With the built-in video signal enhancement, you can place the monitor up to 100 feet away while maintaining your video quality. No software is required and PC selection is easy.Features:Display video output from two computers on a single monitor or projector PC selection via push buttons Built-in video signal enhancement allows monitors to be placed up to 100 feet away Input: (2) HD15 FemaleOutput: (1) HD15 Female Free Technical Support One Year Warranty