The Alcohol Tester with Blue Backlit LCD Display is a professional breathalyzer that provides accurate and reliable results. It features a high precision nano-semiconductor alcohol sensor, ensuring precise measurements. With a test range of 0.000 to 0.199% BAC (000-199mg/ml), this breathalyzer can detect even trace amounts of alcohol. It has an accuracy of 0.01% BAC, providing you with reliable and consistent readings. The device has a quick response time, with results displayed within 5 seconds. It also has a preheating time of 100 seconds to ensure accurate readings. The blue backlight and graphic display make it easy to read the results. The Alcohol Tester is powered by three AAA alkaline batteries (not included), making it convenient to use on the go. Its compact size of 103 x 60 x 20 mm makes it portable and easy to carry. Ensure your safety and make responsible decisions with the Alcohol Tester with Blue Backlit LCD Display. Key Features: High precision nano-semiconductor alcohol sensor Test range of 0.000 to 0.199% BAC (000-199mg/ml) Accuracy of 0.01% BAC Quick response time and preheating time Blue backlight and graphic display Powered by three AAA alkaline batteries Compact size for portability Promotes safety and responsible decision-making