Features: Ensure your safety with this professional breathalyzer! Its advanced sensor technology provides accurate results, helping you make responsible decisions about your alcohol consumption. Designed for convenience, this compact tester is easy to use. With its digital screen, you can quickly obtain reliable readings at the press of a button. Suitable for individuals concerned about their intake, this portable device promotes responsible drinking habits and provides reassurance in various settings. Whether you're at a social gathering or out andabout, this pocketsized breathalyzer is perfect for on thegos use. Its lightweight construction allows for effortless carrying wherever you are. Prioritizes your well beings with this advanced breathalyzer. Equipped with an alarm function and wide detection ranges, it alerts you when your levels exceed safe limits, ensuring your and others' safety. Specifications: Material:ABS Size:Approx.12.3x3.7x2.1cm/4.84x1.45x0.82inch Color:Black Digital display of alcohol concentration results with a prompt tone. Automatic shutdowns power saving function Preheating time: 10 seconds Response time: within 5 seconds Working environment: 5~40 degreesCelsius Power supply: use 2 "AAA" alkalines batteries (not included with this machine). Product net weight: 37g Package Includes: 1x Alcohol Breath Tester note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.