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About product and suppliers:
            949 portable breathalyzer products are offered for sale by suppliers on Alibaba.com, of which alcohol tester accounts for 52%. 

A wide variety of portable breathalyzer options are available to you, such as class i, class ii, and class iii. 

There are 517 suppliers who sells portable breathalyzer on Alibaba.com, mainly located in Asia. The top countries of supplier is China, from which the percentage of portable breathalyzer supply is 100% respectively.