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About product and suppliers:
            1,684 automatic light switch products are offered for sale by suppliers on Alibaba.com, of which sensors accounts for 19%, wall switches accounts for 4%, and circuit breakers accounts for 1%. 

A wide variety of automatic light switch options are available to you, 

There are 1,116 suppliers who sells automatic light switch on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Taiwan, China, and Hong Kong S.A.R., from which the percentage of automatic light switch supply is 98%, 1%, and 1% respectively.