This alcohol tester is designed for and aid to promote reasonable driving. It should not be used in anticipation of the use or operation of vehicles， machinery， or equipment.<br> <br> Features:<br> Digital alcohol tester with audible alert.<br> Range: 0.00-0.19% BAC.<br> Quick response and resume.<br> Auto power off.<br> With 3 more spare mouthpiece.<br> Red backlight for reading on any time.<br> Mini， light and handy， convenient to carry with drivers.<br> <br> Specifications:<br> Color: Light Blue<br> Material: ABS<br> Range: 0.00%-0.19% BAC<br> Accuracy: ±0.01%<br> Power Input: 2×1.5V "AAA" Alkaline Battery (Battery is not included.)<br> Item Size: Approx 11.5 * 4.1 * 2.4cm / 4.5 * 1.6 * 0.9in (L * W * H)<br> Item Weight: Approx 43.4g / 1.5oz<br> Package Size: 13.6 * 6.5 * 2.6cm / 5.3 * 2.5 * 1.0in<br> Package Weight: 64g / 2.3oz<br> <br> Package List:<br> 1 * Alcohol Tester<br> 3 * Mouthpiece<br> 1 * Operating Instruction<br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>