Promethean ActivPanel LX 75". Display diagonal 190.5 cm (75"), Working area 1652 x 930 mm, Display brightness 350 cd/m². Speaker power 10 W. Ethernet LAN data rates 10,100,1000 Mbit/s. USB connector type USB Type-A, Microphone connectivity 3.5 mm, Headphone connectivity 3.5 mm. Product colour Black, Panel mounting interface 800 x 400 mm, Power cable length 3 m