Testeur d'alcool AT-008, best-seller transfrontalier, détecteur portable alimenté par USB pour le dropshipping

How to use Press the button for 1 second to turn on the device. The backlight and display will light up simultaneously, showing all the content, and a beep will indicate that it has been turned on. 2. The display shows "Warm up" and a 10-second countdown. After the countdown ends, a beep sounds, indicating that the next stage has begun. 3. The display shows "Blow" and a 10-second countdown. Blow into the blowing port for 3-5 seconds. After the countdown ends, a beep sounds, indicating that the results have been recorded. The test results are displayed in two units: %BAC and g/l. 4. When the detection result is less than 0.02%BAC, the green indicator light remains on. 5. When the detection result is greater than or equal to 0.02% ABC and less than 0.05% BAC, the yellow indicator light remains on, the Caution icon on the display flashes, and a slow beeping sound is emitted. 6. When the detection result is greater than or equal to 0.05%BAC, the red indicator light will remain on, the display will show the "Danger" icon flashing, and there will be a rapid beeping sound.The test results show the time is 10 seconds.