Features High Accuracy Monitoring: Equipped with advanced semiconductor sensors, this device ensures precise blood alcohol content readings for responsible driving Quick and Easy Operation: Simply power on, wait 10 seconds to preheat, then blow evenly for 3 to 5 seconds to receive results on the LCD screen Wide Measuring Range: Detects alcohol levels from 0.00 to 0.19% BAC and 0.00 to 0.99mg/l, providing reliable results even at maximum consumption levels Convenient Automatic Shutdown: Saves battery life by automatically powering off after 30 seconds of inactivity or with a simple button press User-Friendly Design: Compact and portable, this breath analyzer is ideal for personal use, ensuring you can check your alcohol level anytime, anywhere Features: 1、HIGH ACCURACY: Alcohol detector uses high accuracy semiconductor alcohol sensors to monitor your blood alcohol content to ensure that you can drive responsibly. 2、NOTE: For more accurate test results, please stop drinking for 20 minutes before using an alcohol tester. The interval between each test should be kept at 2 to 3 minutes. 3、EASY TO USE: Turn on the power button of the alcohol tester, wait for 10 seconds to preheat, and then blow evenly for 3 to 5 seconds. The results will be displayed on the LCD screen for 5 seconds. 4、MEASURING RANGE: Alcohol measurement range is 0.00 to 0.19% BAC and 0.00 to 0.99mg/l, and the alcohol test result reaches the maximum value (0.19% BAC), which will not increase. Even with an increase in alcohol consumption, the test results still showed 0.19% BAC. 5、AUTOMATIC SHUTDOWN: In any state, you can pr and hold the button for 0.5 seconds to directly shut down, or the tester will automatically shut down 30 seconds after displaying the test results. Specification: Item Type: Breath Alcohol Tester Mode: TS 21 Material: PC Charging Voltage: DC 5C Power Supply Battery: Lithium ion battery 140mAh (built in carrying) Test Range: 0.00 to 0.19% BAC and 0.00 to 0.99mg/l Package List: 1 x Breath Alcohol Tester 1 x Charging Cable (Color Random) 1 x Manual Package List 1 x Breath Alcohol Tester 1 x Charging Cable (Color Random) 1 x Manual