... >1000:1LED lifetime20,000hFocusManualOffset100%Projection sourceAV connector,built-in memory, USB, HDMI,SD/MMC cardSupportImage:JPEG, BMPVedio:H.264, MPEG4, MOV, MP4 ... , WMV, OGGOffice filesPPT, PDFConnector3.5mmInternal memory2GBExternal memory32GB (SD/SDHC/MMC)Built-in battery3500mAh lithium batteryWorking time120 minutesSystem supportWindows XP, Vista, Windows 7Size146mm ...