- 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