Specification:Type: Portable Home ProjectorColor: Black, Grey (Optional)Resolution: Native 19201080PMaximum Resolution: 4K supportedLuminance: 8500 lumensBrightness: 200ANSI Contrast Ratio: 10000:1Aspect Ratio: 4:3/16:9/AutoKeystone Correction: Manual±50° (Vertical+Horizontal)Projection Picture Size: 50-300 inchProjection Distance: Up to 5 mProduct Weight: 1.45 kgLight Source: LED LED Lifespan: 80,000 hoursLens: Optical coated glass lens Work Voltage: AC 110-240VControl Mode: Panel control + Infrared remote controlCPU: HisiliconBluetooth: 5.0Projection Method: desk projection + ceiling mounted projectionInterface Type: USB 1, HDMI 1, 3.5mm Audio Port Features:1. Smart Projector with Android TV 9.0: With pre-installed sm.