ApplicationAdvanced semiconductor oxide breathalyzer is a simple way to analyze blood alcohol concentration anytime, anywhere. LCD Display: The LCD display of the portable digital breathalyzer provides you with a clearer Sight and digital alcohol automatically gives you an audible alarm. Automatic shutdown, quick response and recovery. Environment and health: LED screen air detector breath tester with five multi-user mouthpieces, ensuring the use of health and safety. Simple Carrying: The devicelcd screen alcohol analyzer is equipped with a keychain, tiny volume, easy to carry. The digital breath alcohol analyzer is highly sensitive. Accuracy: 0.01% BAC (0.1g/L) for your convenience. Quality Assurance: Our products conform . Under the culture guide of "customer-centric and quality-centric", the development goal of providing comprehensive products, competitive prices and efficient services has not been achieved.