Accurate Detection Portable Breath Alcohol Tester,Equipped with smart chips, high-sensitivity sensors, accurate and sensitive, can be continuously detected by multiple people, and the measurement is more accurate.
How to use the product?
1. Twist the dust cover to the left. As the picture above.
2, long press the power button 0.5 seconds, ""beep"" sound after the display starts.
3, the display ""warm-up"" to start warming up 10 seconds, the number from 10 to 00 start countdown.
4、When the preheating countdown is over, after the sound of ""drip drip drip"", the display will show ""blowing"".
Countdown from 06 to 00. Blow during any period of this countdown.
Stop blowing after a ""beep"".
5、Read the test result from the tester's display.
6、You can press and hold the button for 0.5 seconds to turn off the tester in any state, or it will turn off the tester automatically after 30 seconds of displaying the test result.