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About product and suppliers:
        Alibaba.com offers 151 water warning device products. About 1% of these are other security & protection products. 

A wide variety of water warning device options are available to you, such as free samples. 

There are 71 water warning device suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of water warning device respectively. 

Water warning device products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 29 with ISO9001, 8 with Other, and 3 with ISO13485 certification.