Type:Digital Projector Style:LCD Use:Business & Education,Home Home Theater Projector:Yes Portable:Yes Brightness:2700 Contrast Ratio:800:1 Weight:3.5kg Resolution:1024*768 Projection Distance:0.5m-4.5m Lamp:LED lamp Lens:F: 2.3~2.5, 1.2x Optic zoom f=18.82~22.60mm 1/4~16 Digital focus fun Dimension:345 x 305 x 93.5mm Performance Noise: Show More