kit Sistema Di Sorveglianza Telecamere 5MP Wifi CCTV + NVR 10CH CCTV Wireless

Does the NVR support USB hard disk?. How do i know the NVR box is working or not?. Is the maximum channel only 4?. Does it have zoom function?. Widely Application. Real plug and play, no need of any professional skills,you can totally do it yourself effortlessly and build your own surveillance system.

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