ProductdescriptionDisplayTechnologyDLP0.2inchDMDTechnologyLightEngineRGBLEDResolution854x480Brightness150LMAspectRatio16:9EffectiveFocalLength6.5mmFocusingManualfocusinslidingadjustmentKeystoneCorrectionVertical:±45degreeProjectionDistance0.5mto8mImageSize(normaloperation)31"@1mOffset100%ThrowRatio1.4ContrastRatio400:1Distortion≤2%Uniformity(JBMA.)80%ColorSaturation100%NTSCLEDLife20,000hoursOperatingTemperature0~50℃OSAndroid6.0CPUAmlogicS912OctacoreARMCortex-A53CPUupto1.5GHz(DVFS)GPUARMMali-T820MP3GPUupto750MHz(DVFS)RAM2GROM16GWIFI2.4G/5GWifiBluetoothBT4.1EthernetEthernet10/100M