Expansion Handset/Charger for AT&T models 5830 and 58405.8 GHz Frequency Hopping Digital Spread Spectrum 50 name / number Caller ID log Caller ID / call waiting capability 10 Number Memory Analog and Digital Clock Displays Any Key Answer Backlit Keypad Call Transfer Conferencing Hold Lighted Caller ID Displays in Handset and Base Lighted Keypad Line In Use Indication Power Failure Operation (spare battery required, not included)Sound Select Call Transfer Handset Speakerphone Handset Vibrating Ringer Handset Volume Control Headset Compatible Lighted Display 3 Lines Programmable Ringer 4 Melodies Speakerphone
