... disk. Widely used for security and surveillance in the domain of Mobile,Steamship,Train,etc. ... USB ,network video.6. GPS module built-in,3G module ,recording vehicle trajectory ,moving data ... other video mode, alarm recording mark store, easy to find.10. Support network school function, log query ... HDD)Working Temperature -20°C ~ +60°CClockBuilt-In Clock, CalendarPackagingProduct Size212(L)*210(W)*68(H ...