
Breathalyzer, Professional-Grade Alcohol Tester with LCD Display for Home Use
Professional Grade Accuracy: This Breathalyzer has six national alcohol testing standards, namely the United States, China, Russia, Poland, Europe, and Japan. NOTE: For more accurate test results, please stop drinking alcohol for 20 minutes. When using the alcohol breathalyzer tester, the interval between each test should be be maintained for 2 to 3 minutes; Batteries are not included, 3AAA batteries need to be installed before use. Easy to Use: To use the breathalyzer, Press the power button for 2 seconds to turn it on, the ambient temperature will be displayed. Press again to enter standby mode, wait 15 seconds for warm-up, then continue to blow for 5 seconds to obtain results. Results will be displayed on the LCD screen of the breathalyzer tester for 15 seconds. Voice Alert and Color Distiction: After using the breathalyzer tester, when the result is beteen 0.00-0.019, a "di" sound is emitted and the screen turns green, and when the value is between 0.020-0.079 (old version: 0.020-