VTech's Careline Home Safety Telephone gives you added peace of mind with no monthy monitoring fees and the following great features - Portable Safety Pendant lets you call with 1-button or voice-activated dialing. Voice Announce Caller ID announces the name of the caller, with no need to find the handset. Audio Assist temporarily boosts the volume when you're on a call. Photo Dial makes it easy to remember numbers, just attach a photo to each one for convenient speed dialing. Talking Digits and Visual Ringing Indicator assist with functionality. Audio Equalizer lets you choose from 4 profiles to best match your hearing. Finally, the Full Duplex speakerphone lets both parties talk - and hear - at the same time, for conversations that are more true to life.