This universal remote enables you to control up to 8 devices. Press the Watch TV button to turn on your TV, cable, satellite box, and more. Each one powers up with just the right settings. Jump to the channel of your choice with 5 programmable Favorite buttons. Easily access guides, menus, and recorded programs - as well as control playback - with dedicated buttons. Get started in minutes. Simply plug Harmony 350 into your Internet-connected computer and enter your device model numbers. The proper command codes automatically download to your remote. This remote can even learn IR codes from existing remote controls. Compatible with over 5000 brands and over 270,000 entertainment devices, including TVs, cable or satellite boxes, DVR, Blu-ray player, and stereo systems. Battery requirement: 2 AA - included. Also includes USB cable.