1. RF broadcasting
2. With Backlit Display
3. With LCD Screen
4. Essential buttons including "Record," "Play," "Pause," "Advance," "Rewind," "Skip Forward," "Skip Back," and a directional pad are centrally located, and convenient "Sound" and "Picture" buttons
5. Fairly straightforward to set-up
6. Good help facilities through the help button
7. Download updates through the USB interface

"The Logitech Harmony 670 is a Programmable Universal Remote Control capable of supporting to 15 components. The Harmony 670 allows users to control video, audio, and gaming devices, as well as lights and appliances. The learning port lets the Harmony 670 acquire custom functions from other remotes, and the customizable buttons lets the user program activities in addition to simple commands. The remote also features a fully backlit keypad and LCD display, and is compatible with over 150,000 devices."http://www.productwiki.com/logitech-harmony-670/

"The Logitech Harmony 670 Universal Remote gives you control of all your home electronics with a touch of a button, or two. This universal remote which was designed to work specifically with DVR devices will also control up to a total of 15 devices. This includes your TV, DVD player, and even your house lights. The Logitech Harmony 670 Universal Remote will never be out of date since it can be updated via its USB port. The software for the remote is supported on both Windows and Mac computers as well. At $150 entry point, it's a bit more expensive then a standard Universal Remote, but you don't get the same features or the ability to upgrade it to keep it current with new devices."http://media.digitaltrends.com/digital-trends/logitech-harmony-670-universal-remote/