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About product and suppliers:
        Alibaba.com offers 1,751 shutter door sensor products. About 30% of these are alarm, 2% are sensors, and 1% are other switches. 

A wide variety of shutter door sensor options are available to you, such as door, window, and personal. You can also choose from optical sensor, resistance sensor, and ultrasonic sensor. As well as from digital sensor, analog sensor, and switching transducer. And whether shutter door sensor is free samples, or paid samples. 

There are 1,751 shutter door sensor suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of shutter door sensor respectively. 

Shutter door sensor products are most popular in Domestic Market, Africa, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 915 with ISO9001, 271 with Other, and 13 with ISO14001 certification.