- DECT 6.0 Expandable Corded/Cordless Combo with Answering System and Caller ID- Large, backlit display on the base- Add up to 4 accessory handsets- Digital answering system with up to 22 minutes recording time- Full duplex speakerphone on handset and base- Stores past 30 calls- Caller ID and call waiting- Table and wall mountable- ECO mode power-conserving technology- Quiet mode- Call block- 9 number speed dial- Accessory Handset: CS6909- Compatible with Vtech IS6200 cordless headset and AT&T TL80133 speakerphone- Up to 50 phonebook entries- Intercom between handsets- Mute- Message retrieval from handset- Battery: 2.4V 300mAh Ni-MH