Enhance the capabilities of your Yealink T5 series phone with the Yealink Color-Screen Expansion Module. With 20 additional phone lines and a 4.3" LCD screen, this module is the perfect addition for any busy office. It features USB, DSL/Phone (RJ-11), and Ethernet (RJ-45) interfaces, as well as speakerphone and Power over Ethernet (PoE) capabilities. The black color and sleek design make it a perfect match for the T5 series phones.