*** DISCONTINUED *** Panasonic KX-TG5771S 5.8GHz expandable cordless with digital answering system Expands up to 8 devices including KX-TGA570 standard handset, KX-TGA571 color handset, KX-TGA572 big button handset, KX-TGA573 cordless camera (max 7 cameras), and KX-TGA575 USB adaptor Caller ID, call waiting caller ID 50# Caller ID history 50# Phonebook 3-line backlit LCD Talking caller ID Ringer ID Light up ID (3 color light up indicator with ringer/voicemail alert) 4-Way conferencing Recordable customized ringer Dual keypads Mute/hold/flash/pause/redial Digital duplex speakerphone on handset and base Phonebook sharing Voice enhancer technology Auto intercom 10# Speed dial 5 Hour talk time 7 Day standby time 2.5mm Headset jack Digital answering system 21 Minutes of record time 2-Digit message counter on base Wall mount adapter sold separately Belt clips sold separately 1 Year manufacturer's warranty Box dimensions: 9.5Lx6Wx5H Color: Silver KXTG5771S REPLACEMENT BATTERY: HHR-P105