Panasonic KX-TGA230B Supplemental Handset for KX-TG2382B Phone System (Black) For use with Panasonic KX-TG2352W or KX-TG2382B expandable phone system 2.4 GHz frequency-hopping spread spectrum technology Caller ID with call waiting 3-line LCD shows caller ID information without scrolling 30 name-and-number directory