Panel Size 51 (W) x 36" (H), 1300 (W) x 920 mm (H) Readable Area 50 (W) x 35" (H), 1280 (W) x 900 mm (H) Number of Panels 5, 4 writing + 1 projection screen Panel Driving Method One Direction Endless Driver (Motorized / Manual) Grid 2 x 2", 50 x 50mm ...