ProjectorLED pocket projectorDisplay TypeTexas Instruments DLP® andBrilliantColorTM technologyLight Source TypeYLX Atria IM series RGB LED light sourceLuminous Flux>90lmDisplay Resolution858×600Contrast Ratio1,000 : 1Light Source Uniformity85%Screen Size (diagonal)15-100 inchProjection DistanceMin 0.5 m/ Max 5 mAspect Ratio4:3/16:9Zoom & FocusManualNumber of Colors16.77M colorsKeystone CorrectionAuto Keystone and Vertical Keystone Adjustment Dimension 103mm×108mm×40mm Weight About 0.6kg Material Plastic & Metal Color White, Gray I/O POWER Video input VGA input Video Driving ICSupport 858×600 Pixels Video SourceSupport VGA and Video Input Power19V DC in Menu InstructionKeypad??? Power ConsumptionMaximum: 45W; Normal: 30W Safe ModeOver Heat Protection Life Time20,000 hours