Expandable Home Phone System From Panasonic With Call, Tgd610B, Black). Enjoy the clarity and reliability of a landline phone, with easy-to-use features. Panasonic Cordless Phone KX-TGD610B is a 1-handset home phone system expandable up to 6 handsets (sold separately), with Call Block that make it easy to stop nuisance callers, plus Bilingual Talking Caller ID that announces caller information in English or Spanish, so you'll never miss an important call. Noise Reduction Technology helps make every call as clear as possible by reducing the surrounding noise coming from the other party?s telephone, audible Low Battery Alert lets you know when battery needs charging and a full range of hands-free phone functions lets you enjoy mobility and flexibility--full duplex speakerphone lets you use your handset hands-free; handset can be used as a monitor for different areas of the house (such as a baby?s room) even while away from home. Cordless Telephone for Home: High-contrast handset display and backlit keypad makes it easy to view who's calling and dial even in low-light; Home phone system expands up to 6 cordless handsets (sold separately) Block Unwanted Callers, Store Important Numbers: Block up to 150 nuisance callers using one-touch Call Block; store up to 100 items in your phonebook and 9 numbers in Speed Dial for quick access to important contacts Hear More Clearly: Noise Reduction lets you hear the voice of the person you are talking to more clearly by reducing the surrounding noise coming from the other party?s telephone Hands-Free Phone Functions: Full duplex speakerphone lets you use your handset hands-free and monitor different areas of the house (such as a baby?s room) Low Battery Alert: Handset provides up to 10 hours of talk time and up to 5 days of standby time, and gives a visual and audible heads-up when the battery is low