Features:Be made of high quality material, lightweight and durable in use. Digital display: which can improve the detection efficiency. Easy to use: quick response and with automatic shut down function. It can analyze the concentration of alcohol in the blood at any time and anywhere, which is very convenient. Portable design, which is very easy to hold in your hand,and carry in your pocket, car or handbag. Specification:Type: Digital Alcohol TesterDetection range: 0.00-0.19% BAC and 0.0-1.9g / lFunction: speaker, Auto off wihthin 1 minuteBattery: 2 1.5 V AAA alkaline batteries (NOT INCLUDED).Working time: Heating: 10 seconds Response: <5 secondsAmbient temperature: 5-40 degreesSize: 112 * 68 * 22mm/ 4.4 * 2.6 * 0.8inPackage List:1 * Manual1 * Digital Breath Alcohol Tester (OPP bag)5 * Inhaler SleevesNote: 1.Please note that the battery is NOT included in package..