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About product and suppliers:
        Alibaba.com offers 6,752 window door sensor products. About 75% of these are alarm, 6% are sensors, and 1% are automatic door operators. 

A wide variety of window door sensor options are available to you, such as door, auto, and window. You can also choose from free samples, paid samples. 

There are 6,752 window door sensor suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of window door sensor respectively. 

Window door sensor products are most popular in Western Europe, North America, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 3,454 with ISO9001, 269 with ISO14001, and 250 with Other certification.