Hoonyer Breathalyser Alcohol Tester, Police
Hoonyer Breathalyser Alcohol Tester, Police Accurate High Precision Per Mille Meter with Digital Colour LCD Display, Professional Alcohol Tester with 10Pcs Mouthpieces (black) Easy to Use: Prepare two AA batteries in advance, turn on the power button of the alcohol tester, wait 15 seconds for the warm-up time, then blow evenly for 3-5 seconds, the result will be displayed on the LCD screen within 5 seconds. High Accuracy: This breathalyzer uses a high-precision semiconductor alcohol sensor to monitor your blood alcohol level; Note: For more accurate test results, please stop drinking alcohol for 20 minutes Using the alcohol tester. Fast...