·  HD seamless hard inner projection ball screen: diameter 600MM, 800MM (optional)

·  Multimedia chassis: technological texture, sheet metal material, cooling system, external multimedia interface, removable, size 660*660*700

·  Laser HD projector: 5500 lumens, resolution 1920*1200（optional）

·  All-glass optical fisheye lens: 180°

·  Dome screen player: dedicated player for ball screen

·  Function: play demonstration

·  Expandable functions (optional): interactive, ball screen linkage, PDA control and other functional packaging

·  Overall size: 800*800*1450mm

·  Application scenarios:  indoor museums, science and technology museums, planetariums, corporate exhibition halls, planning halls, party building science popularization, safety science popularization, entertainment advertising, event rental