Projector throw distance 23 1/4" (59.1 cm) Active screen size 77" (195.6 cm) diagonal Aspect ratio 4:3 Resolution 720p WXGA Interactive whiteboard dimensions 66 1/8" W × 53 3/8" H × 6 1/2" D (168.0 × 135.6 × 16.5 cm) Available as an appliance-based ...