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About product and suppliers:
        Alibaba.com offers 5,075 door sensor lock products. About 43% of these are locks, 1% are door & window handles. 

A wide variety of door sensor lock options are available to you, such as free samples, paid samples. 

There are 5,115 door sensor lock suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Malaysia, which supply 99%, 1%, and 1% of door sensor lock respectively. 

Door sensor lock products are most popular in Mid East, Western Europe, and North America. 

You can ensure product safety by selecting from certified suppliers, including 995 with ISO9001, 468 with Other, and 78 with ISO14001 certification.