Breathalyzer, [2019 Upgraded] Portable Breath Alcohol Tester LED Screen with Mouthpieces for Home Use

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About Breathalyzer, [2019 Upgraded] Portable Breath

SPECIFICATION: -Sensor: high-precision semi-conductor sensor -Detection range: 0.000-0.1990% BAC(0.000‰-1.999 ‰BAC or 0.000-0.995 mg/l) -Warm-up time: Within 15 seconds -Respond time: Within 10 seconds -Operating temperature range: -10 ℃~ 50℃ -Digital display results (%BAC / ‰BAC / mg/L) -Power input: 3V (3 x "AAA" LR03 battery, not included) OPERATING INSTRUCTIONS: Step 1: Insert a mouthpiece into the mouthpiece opening. Step 2: Press the Power/Mode Selector Button. You will hear a beep and the unit will start to count down from 15 on the DISPLAY and say "Warm up". This warm-up process prepares the sensor. Step 3: When the countdown approaches 2, begin to inhale a deep breath.When the countdown reaches zero, you will hear a second beep indicating that you should blow into the mouthpiece. Blow through the mouthpiece until you hear a beep. This may happen at any point during the 10 second countdown. Step 4: Once the sensor has analyzed the breath sample, the estimated value is displayed. WARM TIPS: 1. After drinking, it is recommended to wait 20 minutes before testing, because alcohol takes about 20 minutes into the blood from the digestive organs, and residual alcohol in the mouth takes time to dissipate. 2. To get a more accurate result, the distance should be at least three minutes between each test. 3. Do not use benzene, gasoline and thinners cleaning product ingredients tester. 4. Do not allow any liquid penetrated into the sensor. 5. To remind you, to you and the safety of others , do not drink and drive.