Advanced semiconductor sensor provides trusted results</br>Ultra-portable design and unmistakable?? palm-of-hand feel</br>Manufactured by BACtrack?? the #1 most-trusted brand of breathalyzers?? with over 13 years of experience providing the most accurate?? convenient and affordable breath alcohol testing devices on the market</br>Replaceable mouthpieces makes testing friends and relatives safe and easy</br></br>Product Description</br></br>The BACtrack S35 breathalyzer is one of the smallest?? sleekest breathalyzers on the market. Designed State-side with ease of use and style in mind?? this tiny breathalyzer harnesses a powerful proprietary sensing technology and a specially tuned algorithm?? delivering results with unheard of accuracy at this price point. You'll never believe the comfort and security you feel with this tiny unit in your pocket. Just pull it out?? tu