Panasonic KX-A236 Additional AC Adaptor for KX-TDA50 or KX-TVA200Panasonic AC Adapter for KX-TDA50G, KX-TVA200, or KX-TVA50Needed when over 4 KX-T7000, 7200, 7300, 7400, 7700 series telephones and over 4 KX-T0141 Cell Stations are installed100VAC-240VAC, 1.5A, 50/60Hz..