Geemarc amplified cordless telephone- Amplification up to 40dB- Caller ID/call waiting with caller ID*- 99 name and number caller ID- 60 name and number phonebook- Large caller ID display- Tone control to shape both high and low frequencies- Vibrating alert in handset- Flashing ring indicator in handset- Extra loud 95+ dB ringer in base and handset- Ringer volume control: off, low, medium, high- Amplified 2.5mm headset jack- Jack for optional vibrating pad- Backlit keypad- Base can support up to 2 additional handsets- Hearing aid compatible - AMPLI250