Quickly estimate your blood alcohol concentration with this small and contactless alcohol breathalyzer. No need to worry about forget to install a mouthpiece or hygiene issue, you can directly blow to the tester inhaler without a mouthpiece, more convenient and safe. Portable to carry it with you, testing your BAC at any time and anywhere.

How to Use:

1. Press and hold the power button for 1 second, the alcohol tester LCD with turn on with one beep sound.

2. Warm-up mode countdown for 10 seconds.

3. Testing mode countdown from 10 to 00 after warm-up mode, blow at this period.

4. Blow into the breath inhaler for 3-5 seconds with normal power after a deep inhalation.

5. Read the test result from the alcohol tester LCD.

6. Test range: 0.00%-0.19% BAC & 0.0-1.9 g/L

Notes:

1. The first use of the tester or after a long time no use, press the power button and retry several times if possible.

2. Repeatedly 2 or 3 times to obtain more accurate results.

3. Do not smoke and eat for 20 minutes prior to testing.

4. The test result is for reference only.

5.Rechargeable with USB cable