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About product and suppliers:
        Alibaba.com offers 4,852 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 4,852 door sensor lock suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% 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 812 with ISO9001, 454 with Other, and 75 with ISO14001 certification.