Type: Whiteboard Folded: Yes Style: Scaffolding Model Number: WB3100 Whiteboard Type: Interactive Whiteboard Place of Origin: Guangdong, China (Mainland) Color: Black Working Principle: Optical- electrical positioning recognition technology Required: Windows XP/2003/Vista/Win7/win8/win10/ Linux Ubutun Active Area: Max 150 inch View Angle: 40 Degree Transmission Interface: USB wire Applied To : Any material including soft screen and white wall Ability to resist the drop of pen: 2 metres Aspect Ratio: 4:3,16:9