Product: Breathalyzer, Rofeer Digital Blue LED Screen Portable Breath Alcohol Tester with 5 Mouthpieces for Drivers Or Home Use, Auto Power Off, Sound Alarm, Current Temperature Display
Brand: Rofeer
Color: Black
The Rofeer portable breathalyzer adopts professional airway design and high precision semiconductor sensor. It can quickly and accurately detect alcohol level in your body in seconds, providing you with high-precision test results.  
 Specification Battery: 3×1.5V (AAA battery) Blowing Time: 3~5s  Display: LCD Display with backlight Workingcurrent: 100~200mA Quiescent Current: ≤ 40μA  Environmental temperature: 0°C ~ 45°C (32°F~113°F) Size: About 4.84in x 2.17in x 0.75in Weight: About 90g Default warning value:  0.02% BAC (adjustable) Default danger alarm value :  0.05% BAC (adjustable)   
 Testing Range: 0~0.199%BAC (Deviationt ±0.01%BAC) 0~1.999‰BAC (Deviationt ±0.1‰BAC) 0~1.999g/L (Deviationt ±0.01g/L) 0~0.999mg/L (Deviationt ±0.05mg/L) 0~1999mg/100mL (Deviationt ±10mg/100mL) 0~1.999‰PROM (Deviationt ±0.1‰PROM)  
 Package Include: Alcohol tester *1 Mouthpieces *5 Instructions *1 Black cloth bag*1
6 Measurement Units and 32 Records: There are six commonly used measurement units for you to choose (%BAC, ‰BAC, mg/L, g/L, mg/100ml, ‰PROM). The latest 32 measurement results can be recorded. The measurement range of each unit is 0~0.199% BAC, 0~1.999‰BAC, 0~1.999g/L, 0~0.999mg/L, 0~1999mg/100ml, 0~1.999‰PROM.
Sound Warning and Color Distinction: In addition to the numbers displayed, the results can be distinguished by sound and color. The screen will turn green and the alarm will make a "di"sound if the result is lower than warning value. The screen will turn yellow and the alarm will make sound as "di di" if the result is between warning value and dangerous value. The screen will turn red and the alarm will make sound as "di di di..." for about 15 seconds if the 
Easy to Use: Just keep pressing the power button for 2 seconds to start the alcohol breathalyzer tester. Wait for 15 seconds for preheating and then keep blowing for 3-5 seconds to get the result. The result will be displayed on the LCD screen of breathalyzers for 15 seconds. NOTE: In order to make the test results more accurate, please use the alcohol tester after stopping drinking for 20 minutes, and the interval time of each test should be kept for 2~3 minutes.
Compact, Energy-saving and 5 Washable Mouthpieces: The blood alcohol breathalyzer is only 4.84in*2.17in*0.75in, so it can be placed in a wallet or pocket easily. It is powered by 3AAA battery, it will automatically power off after 15 seconds of no operation in order to save power. Five of mouthpieces can be cleaned and recycled, making recycling more environmentally friendly.

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