Product name : Multi-touch Wall - 120" Rear Projection （120寸多點觸控牆）
Category : Multi-touch
General Specs : -
Projection type : Rear projection
Projection screen type : Rear projection screen
Detection technology : Optical + Infrared sensing
Number of player : Multi-user 1-4
Usage : Information directory, edutainment, action games, sport games, mind games and more...
Concurrent objects detection : Max 100 touched objects
Type of objects : Any objects (such as hands or props) can be detected when touching the screen.
Tracking speed : 30 frame per second
Audio : external Stereo Speakers
Resolution of projection : 1024 x 768 pix (or more..)
Aspect Ratio : 4:3
Projection frequency : 60H
Projection Brightness : 2000Lum - 3500Lum
Contrast : 3000:1
Color Depth : 32Bit
Operating system : Win7
