KX-570 50-Name and Number Phonebook 14 Ringer Melodies / 6 Ringer Tones on Handset Caller ID Capable / Illuminated LCD 17-Hour Talk Time / 150-Hour Standby 10-Redial Memory (Number Only) One-Touch Dial up to 9 Numbers Call Restriction / Navigation Key /Any Answer Key Clock / Alarm /Key Lock Handset Locator Wall Mountable Base Unit