This expansion cordless handset is for use with Vtech's DECT 6.0 expandable Bluetooth-enabled cordless phone system with digital answering system. Download your mobile phone directory to this system for added convenience. System includes corded base station with digital answering system, plus one cordless handset with charger. Is expandable to 12 cordless handsets. Features DECT 6.0 digital technology for interference-free, secure calls and clear sound. Offers up to 14 minutes of record time with date and time stamp to keep track of calls. Includes Call Waiting/Caller ID with 50-name/number memory. Expandable Bluetooth-enabled cordless phone system is Energy Star qualified.