Packing Information: 42*32*22cm/200pcs

How to use a breathalyzer.
1. Press the button for 1 second to turn on the machine, the backlight and display will light up simultaneously, showing all the content and a "drip" sound to indicate the start-up.

2. The display screen shows "Warm up" and a 10-second countdown. After the countdown ends, a "drip" sound is heard, indicating that the process has entered the next phase.

3. The display screen shows "Blow" and a 10-second countdown. Blow into the blowing area for 3-5 seconds, and after the countdown ends, a "drip" sound will be heard, indicating that the result has entered the display. The test results are displayed in two units: %BAC and g/l.

4. When the test result is less than 0.02% BAC, the green indicator light remains 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 remains on, the screen displays the "Caution" icon blinking, and there is a slow beep sound.

6. When the test result is greater than or equal to 0.05% BAC, the red indicator light remains on, the display shows the "Danger" icon flashing, and there is a rapid beeping sound. The test result is displayed for 10 seconds.