Description: Introducing the alcohol tester, a professional breathalyzer designed to make blood alcohol testing easy and accurate for everyone. Powered by two AAA batteries (not included), this compact device automatically turns off after 10 seconds to save power and can be used more than 200 times with a single battery installation. The simple operation involves pressing the power button for 3 seconds to start, waiting for 10 seconds to heat up, blowing for 3-5 seconds, and receiving the result on the LCD screen within 3-4 seconds. Equipped with smart sensors, semiconductors, and microprocessors, this highly accurate alcohol tester provides precise results and features an LCD display for easy reading even in low light. It also includes beep alarms and warning symbols when the allowable limit is exceeded, promoting safe driving practices. Item Name: Alcohol Tester Material: Plastic Category: BreathalyzerMaterial: PlasticSensor: Semiconductor Alcohol SensorWarm-up Time: within 10 SecondsResponse Time: within 5 SecondsWorking Environment: 5-40 Degrees CelsiusTest Range: 0.0-1.9 g/LPower Supply: 2 x AAA Batteries (Not Included)Features: Handheld, LCD Digital Display, Portable Size Details: L: 6.8cm/2.68", W: 2.2cm/0.87", H: 11.2cm/4.41" (Approx.) Package Includes: 1 x Alcohol Tester5 x Mouthpieces