✔The Professional Breathalyzer with LCD Screen and Semiconductor Sensors is a highly accurate alcohol tester designed for personal and professional use. It features advanced semiconductor sensors that provide precise and reliable readings, making it an ideal tool for police and alcohol testing. ✔This breathalyzer comes with 12 mouthpieces, making it easy to use and share with others. The LCD screen displays the results in a clear and easy-to-read format, allowing you to quickly and accurately determine the level of alcohol in your system. ✔The Professional portable breathalyzer is lightweight and compact, making it easy to carry with you wherever you go. It is also simple to use - simply turn it on, wait for it to warm up, and blow into the mouthpiece for a few seconds to get an accurate reading. ✔Whether you are a professional law enforcement officer or simply someone who wants to ensure they are staying safe and sober while driving, this breathalizer is a must-have tool. Its accuracy and reliability make it an essential device for anyone who wants to measure their blood alcohol content (BAC) quickly and easily. ✔In summary, the Professional Breathalyzer with LCD Screen and Semiconductor Sensors is a high-quality and accurate alcohol tester suitable for both personal and professional use. Its advanced features, including the semiconductor sensors and LCD screen, make it a reliable tool for anyone who wants to stay safe and responsible while consuming alcohol. Clear LCD screen: The alcohol breathalyzer tester LCD screen displays the BAC readings in a clear and easy-to-read format. This makes it easy to determine whether you are within the legal limit for driving, or whether you need to wait before getting behind the wheel. Lightweight and portable: The Professional Breathalyzer is lightweight and compact, making it easy to carry with you wherever you go. This makes it a convenient tool to have on hand whenever you need to measure your BAC. Breathalyzer tester Includes 12 mouthpieces: The breathalyzer comes with 12 mouthpieces, making it easy to use and share with others. This is especially useful for professionals who need to conduct multiple tests in a short period of time. Easy to use: The Professional Breathalyzer is incredibly easy to use - simply turn it on, wait for it to warm up, and blow into the mouthpiece for a few seconds to get an accurate reading. This makes it an accessible tool for anyone who wants to measure their BAC quickly and easily.