SMART Technologies M680, 77", 46.3 x 61.6" (1175 x 1565 mm), Capacitive, 6 W, 3000 ANSI lumens, XGA (1024x768) SMART Technologies M680. Display diagonal: 77", Working area: 46.3 x 61.6" (1175 x 1565 mm), Technology: Capacitive. Speaker power: 6 W. Projector brightness: 3000 ANSI lumens, Native resolution: XGA (1024x768), Color temperature: 6500 K. Interface: USB, USB connector type: USB Type-A, USB Type-B. Product color: White, Power cable length: 70.9" (1.8 m), Certification: REACH, RoHS, WEEE