Features: Thoughtful gifts: You can send our alcohol tester breathalyzers to your family, parents, coworkers and people you care to show your concern for them, they will probably need them. Household tool: Our home breathalyzer is good tool for you to check your state after parties or meals, you can use it to make sure you will go on a safe trip. Specifications: Main material: PC plastic Color: black Size: about 1.1 x 0.6 x 3.74 inches/ 28 x 15.3 x 95 mm Package includes: 2 x Portable breathalyzer Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.A Variety of Applicable Scenarios: you can use our portable breathalyzer to test yourself, family or colleagues after a party, you can also use it while away from home, traveling or being on a business trip. Serve You for a Long Time: our breathalyzer tester uses USB to supply power, which is very convenient and fast, and can serve you for a long time, so you only need to bring USB charging cord (not included) when you go out. Contactless Design: our alcohol level breathalyzer adopts a contactless air blowing design to measure in a clean way, which is convenient for multiple people to use at the same time, and can prevent direct contact with the skin. Easy to Use: our mini breathalyzer is accompanied by a warning sound, press the boot button and wait for 10 seconds to preheat, then the alcohol tester begins to test and blow for 3-5 seconds, your results will be automatically displayed on the LED screen within 10 seconds, and you can view the test results according to the light color, green light means drivable, orange light means drunk driving and red light means drunk driving, please ensure that you and your family can drive safely. Portable Design: you will receive 2 pieces of black mini alcohol breathalyzers, measuring about 1.1 x 0.6 x 3.74 inches/ 28 x 15.3 x 95 mm, which can be easily carried in a wallet or pocket, bringing you a lot of convenience.Best Sellers Rank: See Top 100 in Health & Household. : B0BRZ31RH1. Manufacturer: LEIFIDE. Date First Available: January 10, 2023. Package Dimensions: 6.57 x 6.14 x 0.94 inches; 4.16 Ounces.