Single-Use Breathalyzer 4 Alcohol Results The crystals in the viewing window will change colors based on a range from 0.00% – 0.08% breath-alcohol-content (BAC). 0.00% - 0.02% BAC. 0.02% - 0.05% BAC. 0.05% - 0.08% BAC. 0.08% BAC or above. Individually Packaged Each single-use breathalyzer is individually packaged. The small size is perfect for a pocket, purse, or vehicle compartment. Professional or Personal Use Birthdays, holidays, parties, weddings, Christmas, New Year’s Eve, office party, white elephant or gag gift. Workplace safety for employee alcohol screening. Breathalyzer Instructions Step #1 (Push Inward) Firmly press both white caps at ends of tube inward to break security foil. Step #2 (Breath Out) Blow for 10 seconds, 2 times, into side where arrows are located. Step #3 (Wait then Read Result) After 2 minutes, compare the color of the crystals in the Result window with the Scale. For Best Results Accuracy Wait 15 – 20 minutes after consuming alcohol before using any type of breathalyzer. It is recommended to drink water prior to taking the test as a way to remove alcohol or any other products in the mouth. The device will report a user’s breath-alcohol-content (BAC) at the moment the test is taken, so it is important to understand BAC levels continue to rise after consuming alcohol, and any amount can affect a person’s ability to drive safely. For Best Results Accuracy Wait 15 – 20 minutes after consuming alcohol before using any type of breathalyzer. It is recommended to drink water prior to taking the test as a way to remove alcohol or any other products in the mouth. The device will report a user’s breath-alcohol-content (BAC) at the moment the test is taken, so it is important to understand BAC levels continue to rise after consuming alcohol, and any amount can affect a person’s ability to drive safely.