Software upgrade operation steps Click here and download the software directly to the U disk then insert the U disk into the BW VP14 projector find the USB upgrade in the menu and click to confirm Please note that do not power off during the upgrade process Description 1080P Full HD images with 6000 lumens high brightness making picture more clearer even in day and night 2 4G WiFi with wireless screen mirroring Manual focus with ±15° keystone correction easy to adjust the pictureSpecification Product CategoryHome Theater ProjectorLight SourceLEDDisplay TechnologyLCDDisplay Chip Size3 5 LCDLamp Life40 000hOperating SystemNoDisplay Resolution1920x1080PMaximum Compatible Resolution1920x1080PContrast2000 1Throw Ratio1 37Keystone CorrectionManual Vertical ±15°Focus MethodManualAspect Ratio16 9 4 3Speaker Power5W4ΩWireless MirroringYesInstallation MethodFront Rear CeilingVideo FormatAVI TS TP MOV DAT MPG MPEG MKV 3GP MP4 VOB M2TS XVID 3GP2 MPEG1 MPEG2 MPEG3 MPEG4 H263 H264 H265 VP8 RV30 RV40 maximum support 1920 1080PAudio FormatMP4 M4A MP3Photo formatJPEG BMP PNG JPG3D FunctionRed and blue 3DProjection Distance1 35 5mProjection Size45 200 inchesRemote ControlInfraredPower SupplyAC 100 240V 50 60HzMaximum Power90WUSB Flash DriveFAT16 FAT32 NTFSHD PortHDx1AV PortAVx1USB PortUSB2 0x2Audio Output Port3 5mm Audio Outputx1Product Size203mm 182mm 128mmHD PortHDx2VGA PortVGAx1AV PortAVx1USB PortUSB2 0x1SD Card SlotSDx1Audio Output Port3 5mm Audio Out