Expand Your Home Phone System: Extra handset pairs with Panasonic KX-TGD83x series phones NOTE: This handset cannot be used on its own; it must be paired with a compatible base station Advanced Call Blocking: Automated Call Block blocks robocalls before the phone rings; Telemarketing Call Block blocks announced callers; 1-touch Call Block Button blocks an additional 1,000 numbers; with One-Ring Scam Alert Bi-lingual display and Talking Caller ID: Caller ID displays in English or Spanish, with caller announcements in that same language so you can hear who is calling, even when youre across the room; remembers up to 50 callers Never Miss a Message: Digital answering system records and stores up to 17 minutes of messages and Quick-Read Message Counter lets you see at a glance if you have a message. Packed with Features: Hands-free functions such as full duplex speakerphone and Auto Answer with Voice Command; Two-Way Recording; full charge gives 10 hours of talk time / 5 days of standby Pa