GDbow Breathalyzer Portable Alcohol Tester Recording Recent 32 Results with 5 Mouthpieces -Grey

GDbow Portable Breathalyzer Operating Instructions
1. Please install 3 pcs AAA alkaline batteries (not included) once you prepare to test
2. Insert 1 pc mouthpiece
3. Press the power button for 2 seconds to start the alcohol tester
4. Choose the testing mode if you want to change the factory default setting (Detection range: 0.000-0.190ï¼…BAC / 0.000-0.950 mg / L)
There are 6 different testing modes: %BAC-US, g/l-EU, mg/L BRAC-JP, mg/100ml-CN, ‰BAC-RU, ‰prom-PL
5. Waiting 20 seconds for warming-up, then blow with the tester for 5-6 seconds, the result will be ready after 3 seconds, and it will be displayed on the LCD screen for 15 seconds
6. When the test result is higher than 0.05% BAC / 0.5 ‰ BAC -The factory default setting, the red light flashes and a continuous drop sound is emitted to remind the driver

Please kindly note: In order to make the test results accurately, please test with the alcohol breathalyzer 20 minutes later after drinking; please wait for another 3 minutes before starting the next test to get the precise testing result

Features:
¤ Auto-calibration & sensor fault self-checking system
¤ Fast response time