... Twenty kinds of language(English, Finnish, French, German, Greek, Italian, Japanese, Polish, Portuguese, Russian, Spanish, Thai, Simplified Chinese, Chinese-Traditional, ... Processorindustial grade embeddedmicrocontrollerHuaWei Haisi chipset Hi3531Operating SystemembeddedLINUXSystem ResourcesMultible channels live record, playback, multible person remote access and USB backupUser InterfaceOperatingGUI ...