DVR 1.USB2.0, USB mouse USB backup,USB-RW ,USB ... 2.Support multiple-ch 3G, also support cottage phone 16 channel DVR 100 FPS Realtime Recording H.264 Compression VG-H8104 Feature ... ,web,USB backup simultaneouslyInterfaceGUI16 bits full color GUI,Support MouseDiplay1/4 chLanguageEnglish, Simplified Chinese, Traditional Chinese, Italian, Spanish, Japanese, Russian, French ...