Modelu838 languagesenglish whats in the boxdvr user manual english video compressionm jpeg recording resolutionhd1 frame rate fps30 interface typeusb max capacity t32 support systemwindows7 microsoft windows xp microsoft windows 2000 recording modemanual recording chassisusb sensor typecmos sensor size14 inch signal systemntsc pal horizontal resolution600tvl lens mm36 camera typemicro camera ir distance m3 connectordc local recordingtf card fu