product descriptionProduct Specifications:Product Dimensions (L * W * H): 4.059in * 2.355in * 1.102inWeight: 2.2 ouncesAlarm Type: Audio AlarmWarm-up time: less than 20sResponse time: less than 5sTechnical support: 3 AAA batteries (not included)Operating current: less than 120mAWorking voltage: DC4.5VOperating temperature: -10 ? -50 ?Relative humidity: less than 95% (without dew)Certification: RoHS, CEnote:1. To ensure the accuracy of the test results, wait for at least 20 minutes before the test. If you test immediately after drinking, the result will only show the alcohol concentration in your mouth, not the alcohol concentration in the blood.2. To ensure the accuracy of the test results, please at least 3 minutes before the next test.3. To prevent other liquids from flowing into the hair dryer, do not use chemical or corrosive solutions / liquids to wipe the product.4. The product can not be used normally in high concentration gas environment.If you work at low power, there will be deterioration.6. Do not use corrosive or dirty air in paint, pesticide, alcohol, etc. in enclosed spaces.7. Unauthorized repairs may damage the product. Do not disassemble or damage this product. If necessary, please transfer to a professional for help.8. After prolonged use, may accumulate dirt, please use a clean cloth to wipe.Package Included:1x breath alcohol tester1x user manual.Box included
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