IT'S A CALLER ID! IT'S A CLOCK! IT'S MORE ... IT'S A BRIGHT ID'ER. A new dimension to the Caller ID service and message delivery process. Easy and convenient to screen calls. See at a glance who is calling and decide to answer now, call back later or ignore the call. The Large screen allows incoming messages to be read easily from a distance of 20 feet or more. It has red figures on a black screen that are easy to see day or night. Requires no batteries, has an automatic clock set-up and a up/down call review scrolling key. Screen size - 8 1/8" x 1 1/8". Includes AC adapter and telephone line cord.