The Yealink T54W IP deskphone is not only a premium-quality business phone, but also easy to use. Equipped with a backlit colour 360 x 160-pixel LCD, 4 x context sensitive softkeys, 6 x navigation keys Yealink Optima HD audio quality PoE support (Power over Ethernet, IEEE 802.3af, class 3) Up to 16 VoIP accounts. Note: Power supply available separately