Professional Alcohol Tester Breathalyzer with 20 Mouthpieces, High Accuracy Digital Breathalyser with LCD Screen Suitable for Private and Professional Use 

Features:
【Fast Response and Accurate Results】- Our alcohol tester for home alcohol tests utilizes professional semiconductor sensor technology to quickly measure the alcohol content in your body. it provides more accurate results with fewer measurement errors. perfect for post-gathering assessments, the breathalyzer quickly indicates if you are fit to drive. this professional-grade accuracy breathalyzer is suitable for private use at home and makes an excellent gift for men, fathers, and friends.
【Portable Alcohol Breathalyzer Tester】- This mini professional breathalyzer tester is designed to be compact and portable, easily fitting into handbags or pockets for convenient carrying. Ideal for breath alcohol tests, it features mouthpieces and automatically shuts off after 10 seconds of inactivity to save power. Please note that the readings from this product are for reference only and cannot replace professional medical or legal advice. Always adhere to local drinking and driving regulations.
【Easy to Use】- To use, simply insert 3 AAA batteries (not included), press the button for 2 seconds to start, preheat for 10 seconds, and blow into the breathalyzer for 3-5 seconds for a quick real-time result. You can choose from 3 unit measurements: %BAC, ‰BAC, and mg/l. Switch to the next measurement unit by pressing the button once within 5 seconds after the result appears on the display.
【Professional Grade Accuracy】- The test range is 0.00-0.20% BAC (0.00-2.00 g/L). If your test result is equal to or greater than 0.05% BAC (0.5 g/L), the "Danger" symbol will be displayed on the LCD with an audible beep alert. For more accurate results, please wait three minutes between each test.
【Versatile Use Alcohol Testing Kits】- This police-accurate alcohol measuring device comes with 20 reusable mouthpieces, making it suitable for various occasions such as individual use, family gatherings, weddings, parties, and social events. Note: Wait 20 minutes after drinking before using the portable alcohol tester. Perform 3 consecutive tests and take the average to ensure accuracy.

Specifications:
Product name: Alcohol tester 
Product model: MR689
Case material: ABS engineering plastics 
Detection mode: Semiconductor gas sensor 
Measurement range of breath alcohol concentration: 0-0.20%ВAC 
Measuring object: Alcohol concentration on breath 
Service temperature range: -5℃~45℃
Storage temperature range: -20℃~50℃ 
Power supply battery: 3 x 1.5V AAA batteries (not included) 
Product size: 90 * 47 * 23 mm 
Product weight: 45 g 

Package Include:
Alcohol Tester *1
Hygienic Mouthpieces *20
User Manual *1

Notes: 
1.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 
2.Please allow slight dimension difference due to manual measurement.