= >= <= Screen Size (17) ------------------ 1.4" (2) 1.8" (3) 2" (7) 2.4" (5) = >= <= Phone Book/Directory Memory (10) ------------------ 50 (7) 250 (1) 200 (2) USB (8) ------------------ Yes (8) Energy Star (7) ------------------ Yes (7) Environmental Compliance (6) ------------------ Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) (1) Restriction of Hazardous Substances (RoHS) (6) Audio (3) ------------------ Yes (3) Color Family (2) ------------------ Black (2) Form Factor (2) ------------------ Desktop (1) Wall Mountable (2) Power Source (2) ------------------ AC Adapter (1) Battery (1) PoE (1) Power Adapter (1) USB (2) = >= <= Total Number of Phone Lines (2) ------------------ 2 (1) 8 (1) = >= <= Frequency Band (1) ------------------ 1.93 GHz (1) = >= <= Maximum Cordless Handset Supported (1) ------------------ 10 (1) = >= <= Number of Network (RJ-45) Ports (1) ------------------ 1 (1) = >= <= Number of Phone Line (RJ-11) Ports (1) ------------------ 2 (1) Wireless Technology (1) ------------------ IP DECT (1)