Features: Stay safe on the road with our highprecision drunk driving tester. Accurately measure your alcohol concentration and make informed decisions before driving. Our drunk driving tester is designed for convenience and ease of use. With a simple breathalyzer design, you can quickly and easily test your alcohol levels and see the results on the clear screen. Suitable for all drivers, our drunk driving tester is a must have for anyone who wants to ensure their own safety and follow traffic regulations. Whether it's a family gathering or a social event, our drunk driving tester is perfect for various occasions. Use it to monitor your alcohol levels and prevent accidents when leaving any gathering. Not just for personal use, our drunk driving tester is also a valuable tool for law enforcement officers. It helps them quickly screen suspected drunk drivers and maintain road safety. Specifications: Material: Plastic Size: Approx.2.6x2.6x12cm/1.02x1.02x4.72inch Color:White/Black Voltage: 5V Battery capacity: 140mAh Measuring range: 0.00-0.19%BAC and 0.00-0.99mg/l/L. Measurement object: drunken crowd. Measurement accuracy: 0.01%bac Preheating time: 10s Reaction time: 1s Suitable for the scene: universal Features: alcohol detection Blowing time: within 10 seconds (generally 3-5 seconds is appropriate) 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.