Panasonic KX-TGA271V 2.4 GHz DSS Accessory Handset for Panasonic KX-TG2700 Series (Violet) For Panasonic KX-TG2700S, KX-TG2720S, KX-TG2730S, and KX-TG2740S expandable cordless phone systems 2.4 GHz digital operation Digital duplex speakerphone Supports 2 lines and 4-way conferencing Caller ID with 50-number history