Native resolution 1280x800.Projection size 20-150 inches.Image aspect ratio 16:9 native, 4:3 compatible.Contrast ratio 8000:1 (full on/off).Maximum resolution Wuxi GA (1920X1200)Keystone correction ±50° vertical electronic correctionZoom and Manual and digital zoomprojection methoddesktop/rear projectionBuilt-in speaker2WSupported video formatsMPG,MPG-1,MPG-2,MPG-4,AVI,MP4,DIVS,TS,TRP,WMV,RM,RMVBSupported audio formatsMP3/WMA/MP2/OGG/AAC/M4A/DTS etc.Support image/text formatJPG/JPEG/GIF/BMP/PNG/PPT/WORD/EXCEL etc.input/output portUSB2.0, *1, 3.5mm headphone jackpower supplyAC 100-240V/50-60HzType DLP Micro Mobile ProjectorBuilt-in battery 8400mAh Li- batteryPackage Included:1 x ProjectorDue to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture. Thanks!Due to manual measurement, please allow 1-3mm measurement deviation.Larger projection ratio, projection screen size according to the environment, experience cinema-level viewing anytime, anywhere.