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About product and suppliers:
        Alibaba.com offers 2,146 program timer products. About 25% of these are time switches, 15% are timers, and 5% are garden water timers. 

A wide variety of program timer options are available to you, such as free samples, paid samples. 

There are 2,146 program timer suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of program timer respectively. 

Program timer products are most popular in Western Europe, North America, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 893 with ISO9001, 580 with ISO14001, and 388 with OHSAS18001 certification.