Panasonic KX-TG385SK link to cell cellular convergence solution DECT 6.0 PLUS Cordless Phone with Answering System, with Message Forwarding, Noise Reduction, And Text Message Alert, 5 Handsets Panasonic KX-TG385SK link to cell cellular convergence solution DECT 6.0 PLUS Cordless Phone with Answering System,With Message Forwarding, Noise Reduction, And Text Message Alert, Metallic Black, 5 Handsets 110-120 voltage power supply for the main base 5.5v and 5 v Interference-Free & Wide Range.