... system :6 dof ; 6 person / set4.Fit for 6 people cinema ,fit for home theater, movie theatre, public cinema5 ... .with CE, easy installation and maintenance 6.12 special effects such as rain,snow,lightning,smoke, bubble,winds,jet system ... DescriptionWhole equipmentProjection meter(VOH), Projection Chassis, Image formation system(with synchronous control software), VGA cable, Flat Screen ...