... it is an embedded Linux system DVR with 4 channels. It has high-intelligentization and stability with an embedded processor and operating system ... data back-up,another for sensor dataSupport WIFI function, can wireless backup the videos on the PC in the office when ... SATA HDD port1 infrared remote portPower input: DC8-36V,Power switch,Over-current, over-voltage protection,Delay power off function.Power ...