Feature:1. [High Accuracy] The alcohol tester uses advanced sensors to test your blood alcohol concentration more accurately and faster.2. [Blowing] The convenient breath tester can provide you with non contact testing for healthier and safer test results.3. [LED] With LCD display, you can clearly see the result and 3 colors to remind you whether the alcohol test result is safe or not.4. [Small And Portable] This breathalyzer is so small and portable that it can easily fit in your pocket or purse, very convenient.5. [ And Hygienic] The accurate breathalyzer does not use the traditional nozzle, and hygienic, you can use it without worry.Specification:Item Type: Alcohol TesterMaterial: ABSGross Weight: Approx. 47g/1.7ozVoltage: 5VCurrent: 1ACapacity: Lithium Battery 150mAh (Included)Measuring Range: 0-0.95mg/LPreheating Time: 10 secondsBlowing Time: 10 secondsHow to Use:1. Press the button for 1 second to turn on, the backlight and display lights up at the same time, displaying all the content and drop prompt to turn on.2. The display shows Warm up and 10 seconds countdown, drop after the countdown, prompting the stage at the same time.3. The display shows Blow and 10 seconds countdown, blow to the blowing place for 3‑5 seconds, after the countdown drop, prompted to enter the results display, the test results in % BAC and g / l two units display.4. When the detection result is less than 0.02% BAC, the green indicator light is always on.5. When the test result is greater than or equal to 0.02% ABC and less than 0.05% BAC, the yellow indicator light is always on, the display Caution icon flashes, there is a slow beep .6. When the test result is greater than or equal to 0.05% BAC, the red light is always on display Danger icon flashing, there is a urgent beep beep beep. The test result display time is 10 seconds.Package List:1 x Alcohol Tester1 x