Interference-free DECT 6.0 technology Expandable up to?six handsets Caller ID/Call Waiting capabilities 70-name/-number phonebook Digital answering system with up to 14 minutes of recording time Remote message retrieval Handset/base speakerphone Three-way call conferencing Call transfer between handsets Intercom between handsets Personalized ringtones Last five-number redial Power failure protection with corded handset Trilingual handset menus Approximate measurements: Corded phone 3"H x 7-1/2"L x 7-1/2"W.Uniden