Style:LCD Use:Business & Education Portable:Yes Brightness:800 800 Contrast Ratio:1000:1 Weight:0.9(kg) Resolution:800*480 Projection Distance:1-5m 1-5m Lamp:LED Lens:F=125 F=125 Warranty(Year):none Light source:LED Power:50w Speaker:2w Warranty:12 Months Color:Black Size:16x14x11cm..