Manufacturer: Logitech. The Harmony 300 is the remote that's simple yet powerful, making it easier for you to control up to four AV components from the one replacement controller. With its one touch 'watch TV' button, favourite channel quick selection buttons and full DVR and Blue-ray player controls, this remote features the simplified commands which so many other 'universal' remotes are missing! The Harmony 300 offers an intuitive ergonomic design, where the sculpted buttons are grouped into zones of related functions, so your fingers go naturally to the right command without taking your eyes off the TV. So you'll never miss the wicket, goal or race crash! This Harmony replaces up to four other remotes, so say goodbye to hassles, complications and coffee table clutter! This remote works with more than 225,000 components from 5000+ brands and the supported device database is updated daily, so you can be confident Harmony will control whatever you own today — and tomorrow! Amazingly simple setup and usage is the key to the success of the Harmony remote series, all you need to do is connect the Harmony to your computer and Logitech's online software walks you through the quick setup. There is no searching for complicated equipment codes, simply select your devices and the software automatically sets up your remote. Logitech's live customer support also ensures that help is only a click or call away, ensuring you have the user experience only a Logitech product provides. Working with Microsoft operating systems from WindowsXP onwards and Mac OS X 10.4.8 or later, this remote simply requires one free USB slot and internet access for setup.