... HDMIBrightness15 LumensContrast Ratio1000:1Aspect Ratio16:9Displayable Colors16.8 million,24-bit RGBOffset85%Projection MenthodFront projectionKeystone CorrectionElectronic ± 30°C3D ... 980mmprojection Size10"~80"Projection Distance0.5M ~2.5M LED LampLED Lam,,Ture 3LED/R,G,B Three ColorsLamp ... Picture of Projector workshop Mini 15lumens LED Projector With USB,RGB Three ColorsFor Iphone Built-in Battery