DECT 6.0 (Digital Enhanced Cordless Telecommunications 6.0)Large, backlit LCD (1.8" LCD)Illuminated keypadAll digital answering system (15 minutes)Talking caller ID*1*2*3Intelligent ECO modeNight modeCall block (up to 60 numbers)Shared PhonebookHands-free modeDedicated Intercom ButtonMultiple Handsets Capability: Up to 6 handsetsTalk time: Up to 10 hoursStandby time: up to 6 daysAdditional handsets (sold separately): KX-TGDA20B*1 Requires subscription to call display, call waiting and/or voice mail service. Please check with your local telephone company for details and availability in your area.*2 Name pronunciation may vary.*3 Requires name and number registration in phonebook function.