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About product and suppliers:
        Alibaba.com offers 1,712 realtime dvr products. About 72% of these are cctv dvr, 15% are cctv camera, and 6% are car black box. 

A wide variety of realtime dvr options are available to you, such as ce, fcc, and rohs. You can also choose from bullet camera, mini camera, and dome camera. As well as from network, infrared, and pinhole. And whether realtime dvr is digital camera, ip camera, or analog camera. 

There are 1,746 realtime dvr suppliers, mainly located in Asia. The top supplying countries are China (Mainland), United States, and South Korea, which supply 98%, 1%, and 1% of realtime dvr respectively. 

Realtime dvr products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 291 with ISO9001, 263 with Other, and 9 with OHSAS18001 certification.