Powered by two AAA batteries for convenience and can be used more than 200 times with each battery installation. Simple and easy to use, with a 3-second power button press to start and quick results displayed on the LCD screen. Highly accurate with smart sensors, semiconductors, and microprocessors for precise results. Features an LCD display for easy reading in low light and alerts with beep alarm and warning symbols when the allowable limit is exceeded. Portable and compact design makes it suitable for various occasions and serves as a reminder not to drink and drive. 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. Compact and portable, it easily fits in your purse or pocket, making it suitable for weddings, parties, banquets, or after drinking at the bar. Item Name: Alcohol Tester Material: Plastic Category: Breathalyzer Material: Plastic Sensor: Semiconductor Alcohol Sensor Warm-up Time: within 10 Seconds Response Time: within 5 Seconds Working Environment: 5-40 Degrees Celsius Test Range: 0.0-1.9 g/L Power Supply: 2 x AAA Batteries (Not Included) Features: Handheld, LCD Digital Display, Portable Size Details: L: 6.8cm, W: 2.2cm, H: 11.2cm(Approx.) Notes: You will find more amazing products if you visit our store. Due to differences in lighting and screen settings, the color of the project may be slightly different from the picture. Due to different manual measurements,allow for slight size differences. Package Includes: 1 x Alcohol Tester 5 x Mouthpieces