In addition it shows the dialed number, call duration, date and clock. Unlike many other phones that lose their memory if the power goes out, this phone will store up to 99 phonebook numbers forever, no need for battery back up, etc. So you'll never lose a number again! In addition this Caller ID phone has a baby call function, automatic emergency dialer, 8 ringer melodies, ringer light, message light for voice mails, handset volume adjustment for the hearing impaird, alarm function and more.

Product Features:
• Fully functional without batteries or A/C adaptor
• 99 Phonebook memories back up for life
• 8 ringer melody selectable
• Hands free speakerphone
• 5 level LCD contrast adjustment