This Yealink IP W56HV corded telephone is the perfect addition to any home or office. With four phone lines and a sleek silver design, it is both functional and stylish. The unit offers Power over Ethernet (PoE) and DSL/Phone (RJ-11) interfaces, making it easy to connect to various devices. In addition, the telephone features wireless digital technology for clear and convenient calling. It is manufactured in China and complies with California Prop 65 Warning. This unit is sold as a single item and is ready to be installed.