PC Intel Core i3, RAM 4GB, Hard Disk 500GB Interactive Board Touch sensitive as well as pen driven,IR 10 Touch, 2083 mm board size, active area 1635 mm x 1145 mm, resolution 32767 x 32767 Projectors Dual Projection system with Brightness 3500 Lumens, WXGA Resolution, 20000:1 Contrast ratio, Ultra Short Throw,LED Laser Hybrid Lamp , 20000 Hour lamp Life Other Built In devices Visualizer, Green Board, Touch Controller, Projector arm, wireless key board and Mouse, Inbuilt speakers & accessories KNOW MORE