Screen : Backlit display ? 3.5? diagonal, 3 rows by 24 characters Lines : 1 Networking : Ethernet (10/100) line interface with a secondary 10/100 port for collocated laptop or PC Voice Codecs : G.711, G.726, G.729A/B Features : Ergonomic hearing aid compatible handset, 8 line appearance/feature key buttons, Three contextual softkey buttons Power Supply : Local or centralized electrical power. Through an 802.3af switch, or local power supply Dimensions : N/A Weight : 750gr