Panasonic KX-TGMA45EM Additional Handset

Panasonic KX-TGMA45EM Additional Handset for Panasonic KX-TGM420EB Big Button Phone Please note that this is an additional handset and charging cradle to be purchased for use with an existing system. This handset cannot be plugged into a telephone line, and will not work without a base station (The Panasonic KX-TGM420EB Big Button main unit with base is available here ). This is the correct handset for use with the Panasonic KX-TGM420EB, which is the latest big button home phone to be released by Panasonic and is equipped with a volume boost, which amplifies handset volume up to +40 dB. Up to 6 handsets can registered to the base of the Panasonic KX-TGM420EB range. Benefits of using multiple handsets include features such as: intercom, call transfer, conference calls, and phonebook transfer.