1.Descriptions:<br />This breathalyzer or breath alcohol tester with five mouthpieces is used for measuring blood alcohol content(BAC)， provide you a accurate and reliable result to judge whether you are suitable to drive.<br /><br />2.High-precision Sensor<br />Adopted Nano material， the semi-conductor sensor can give you a reliable and accurate result.<br />Thoughtful Design: 20 Mouthpieces<br />In order to prevent oral bacteria infection， We provide you 20 mouthpieces. So your family members and friends can use it as well.<br /><br />Simple to Use<br />No wires， no complicated accessories， just require 3 AAA batteries， it is extremely easy to use. Just blow toward it， you can quickly get the result.<br /><br />Detection Range<br />The breath alcohol tester provides you professional test range of 0.00-0.19% BAC & 0.00-1.99‰ BAC & 0.00-0.99 mg/l& 0.00-199mg/100ml.<br /><br />Lightweight<br />Palm-size， lightweight， you can take this breath alcohol tester wherever you go. Test your BAC at your will.<br /><br />Specifications:<br />Product Dimensions(L*W*H): 4.059in*2.355in*1.102in<br />Weight: 2.2oz<br />Detection Range: 0.00-0.19% BAC; 0.00-1.99‰ BAC; 0.00-0.99 mg/l; 0.00-199mg/100ml<br />Alarming Level: 0.05%BAC; 0.50‰BAC; 0.25mg/L; 50mg/100ml<br />Alarming Type: Audio Alarming<br />Accuracy: ±0.01%BAC ; ±0.10‰BAC; ±0.05mg/l; ±10mg/100ml<br />Warm-up Time: less than 20s<br />Response Time: less than 5s<br />Powered by: 3 AAA batteries(not included)<br />Working Current: less than 120mA<br />Working Voltage:   DC4.5V<br />Working Temperature: -10°C-50°C<br />Relative Humidity: less than 95% (No Dew)<br />Certification: RoHS， CE<br /><br />NOTE:<br />1.To ensure the accuracy of the test result，before testing， please wait at least 20 minutes after drinking. Because it takes about 20 minutes to absorb alcohol into bloodstream from digestive system. If you instantly test after drinking， the result only show the the alcohol concentration in your mouth， rather than that in your blood.<br />2.To ensure the accuracy of the test result， please wait at least 3 minutes to begin next test after last test.<br />3.To prevent other liquids flow into the air-blowing tube， please do not use chemical or corrosive solution/liquid to wipe this product.<br />4.This product can not be used normally in the environment with high concentration gas.<br />5.Deviation will be appeared if it is working in low power.<br />6.Do not use in the enclosed space with paints， pesticides，alcohol and other corrosive gas or dirty air.<br />7.Unauthorized repairs may damage the products. Do not disassemble， damage this product. Please turn to professional personnel for help if needed.<br />8.After a long time use， it may accumulate dirt， please use clean cloth to wipe it.<br /><br />Package Included:<br />1 x Breath Alcohol Tester<br />20 x Mouthpieces<br />1 x User Manual