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About product and suppliers:
        Alibaba.com offers 8,273 4ch nvr kit products. About 53% of these are cctv camera, 38% are cctv system, and 7% are cctv dvr. 

A wide variety of 4ch nvr kit options are available to you, such as paid samples, free samples. 

There are 8,301 4ch nvr kit suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and South Korea, which supply 99%, 1%, and 1% of 4ch nvr kit respectively. 

ch nvr kit products are most popular in North America, Western Europe, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 909 with ISO9001, 469 with Other, and 37 with ISO14001 certification.