With the Uniden TRU9496 5.8 GHz Digital 2-Line Expandable Phone System is the next generation of 5.8 GHz cordless phones. It's a full-featured digital answerer, with a Dialing keypad and a speakerphone. 5.8GHz Digital Spread Spectrum Technology delivers outstanding clarity, vastly reduced interference and increased power. Advanced Call Waiting and Caller ID functions make it easier to screen and manage your calls, while the Digital Answering System makes sure you never miss a message. The other features deliver a quantum leap in phone functions. Do Not Disturb (DND) silences the phone to cut back on distractions 100 programmable CID memory locations at handset or base DirectLink Technology - 2-way radio communication Mute & Hold features Store up to 100 names, store Up to 2 numbers per name Advanced Phonebook Features - Alphabetical Search, Personalized Ringers, Transfer Single Listing or Entire Phonebook New Message Waiting Indicator at Handset & Base, plus Alert Tone Intercom or call transfer between handsets 20 ringer options - 10 melodies + 10 tones 10 Speed Dial memory locations Trilingual Menu Displays - English, French, Spanish Room/baby monitoring Earpiece & ringer volume control Ringer Off option Find Lost Handset/Paging key Extra Caller ID handset and Charger included Battery level and clock display Headset compatible for hands-free operation Belt clip included Handset Battery Type - BT-446 NiMH Power Failure Protection - In the event of a power failure, virtal information is retained and telephone calls can be made and received on line 1