Make sure you are always located on the right side margin of this pocket size breathalysers! The meter will give you a good display of whether you have alcohol in your blood or not. Because it is small, compact and equipped with a key ring allows you to take it wherever you go! NOTE: Booster is not responsible for the consequences that alcohol causes. The result that the alcohol meter gives should not be seen as an accurate measure of your blood alcohol level. Alcohol and Motorcycle riding should never be combined! Test results are shown as follows: Safe: During the 0.2 per mille Warning: 0.2-0.5 per mille Danger: Approximately 0.5 per mille Specifications: - Patented design - CE approved - Led lamps - Provides answers within 5 seconds - Operating temperature 5- 40 ° - Equipped with flashlight - 2 x AAA alkaline batteries (not included) Size: 37 x 39 x 20 mm Not NF certified