Panasonic KX-PRSA10EW is an additional handset for the Panasonic KX-PRS120EW. Talking caller id, know who is calling with an audible name annoucemnet. Put an end to unwanted callers with the nuisance call block feature blocking up to 100numbers. Telephone information: 300 name and number memories. 40 ringtones. Last number redial. Caller ID. Handsfree facility. Speaker and ringer volume control. Up to 12 hours talktime/ 150 hours standby. Up to 100m indoor range/300m outdoor range. 3 - Blocks a specific list of numbers and has either a virtual answering assistant or audible name announcement. Answer machine recording time 40mins. Personalised recording facility.