Brand new digital breathalyzer， perfect for safe driving!<br />LCD display， easy reading<br />Automatically alarm when alcohol content exceeds limits <br />Functions: <br />Three measuring units (﹪BAC / ‰BAC / mg/L) <br />LCD display with blue backlight <br />Quick response and restore <br />Auto power off <br />Alarm when alcohol content exceeds limits <br />Sensor fault auto detect <br />Low battery indicator <br />Comes with 5 mouthpieces <br />Warm-up time: 15 seconds<br />Respond time: < 5 seconds<br />Measuring range: 0.000-0.199% BAC & 0.00-1.99‰ BAC & 0.000-0.995 mg/L <br />Accuracy: ±-0.010% BAC; ±0.100‰ BAC; ±0.050mg/L <br />Alarm density: 0.05% BAC; 0.5‰ BAC; 0.25mg/L <br />Power supply: 3 x 1.5V AAA alkaline batteries (NOT included) <br />Working current: ≤120mA <br />Working temperature: -10 degrees Celsius to 50 degrees Celsius <br />Dimension: 112 x 60 x 28 mm  <br />Color: black  <br />1 x Breathalyzer<br />5 x Mouthpieces <br />1 x Cloth bag <br />1 x User manual<br />In color box<br /><img src="http://img6.eachbuyer.com/x9/p100/bn199_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bn199_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bn199_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bn199_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bn199_5.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bn199_6.jpg" />