The ultimate remote control for your TiVo box. Features: Backlit keys - Keys light up for readability in a darkened room. Learning capable - Programmable to control power, input, volume, and mute on your TV and A/V receiver using built-in database of commands, or learn these commands directly from your TV's and receiver's remote controls. DVR switch - Controls two TiVo boxes in the same room with the flick of a switch. Gloss black finish, with chrome rim. Controls most TiVo boxes - Works with TiVo Series2, TiVo Series3, TiVo HD and TiVo HD XL, Humax Series2, Philips Series1, and Philips, Hughes, Samsung, and RCA DIRECTV DVR boxes with TiVo service. Compatible with Pioneer, Toshiba, and Humax DVD recorder boxes with TiVo service (although lacks DVD-specific keys). Does not work with Sony boxes or the Toshiba DVD player with TiVo service (SD-H400). Requires 4 AAA batteries (not included). Not compatible with Nero LiquidTV | TiVo PC software.