V-Tech VTT2450 2.4 GHz Cordless Telephone with Caller ID and Digital Answering Device in White (2 Handset Bundle) Dual 2.4 GHz handset telephone system with digital answering machine Caller ID/call waiting capable; 50-number memory 17-minute answering machine record time; 3 mail boxes 30 name and number directory; 6-hour talk time, 7-day battery life Hearing aid and headset compatible