Controls up to 2 devices including TV & satellite/cable/DTC; Menu function, sleep key, input key, closed captioning & previous channel key; Oversized keys; Includes volume & channel glow keys; Braille on power, channel & volume keys; Digital sub-channel capability; Dim: 7.00″H x 2.00″W x 0.90″D; Requires 2 AAA batteries; Limited lifetime warranty;