... -blue, Red-green Film Source. With the 3D image noise reduction ,Must 3D GlassesAspect Ratio 16:9 Native, 4:3 Compatible; ... Method Front, Rear, Ceiling Mount, Table Top; Projection Image Image support horizontal and vertical flipPicture Modes Support dynamic, soft, ... Lens Keystone correction +/- 15 Degree Audio Noise <28 dBProjecting image size 45-200 inch Sound effect Bass & treble adjustment Power ...