Universal Remote consolidates or replaces 3 devices-- remote controls for TVs, VCRs and Cable Boxes. Easy to set up and use. Channel and volume keys glow in the dark. 30 minute memory backup. Pre-programmed codes make set-up a breeze. Works with all major brands (listed on box) including RCA, Sony, Zenith and Magnavox. Requires 2 AAA batteries (not included). Measures 6 1/2 L x 2 W x 1 D in.