Easy to Operate: Enjoy a safe and entertaining night with this alcohol tester, perfect for game with friendss with family and friends. Simply blow for 5 seconds and within 10 seconds, the accurate results are displayed on the bright and clear LCD screen. Enhanced Convenience: Simplify alcohol testing with our Alcohol Tester. Air blow detection and no blowpipe needed for quick troubleshooting and utmost safety and hygiene. No mouthpiece necessary. Easy to Bring: Simplify the alcohol testing process with our portable tester that is designed to be easily held and carried, ideal for fast outdoors testing. Auto Shut-Off Function: All test results are displayed on the LCD screen with LED backlight, which helps you clearly see the readings. The alcohol tester also has an automatic shutdown function, which will save after 20 seconds of inactivity. Effortless Monitoring: Our Alcohol Tester uses advanced semiconductor sensor technology to deliver precise and effortless alcohol monitoring, ensuring responsible driving.