Features: Digital display function: This alcohol tester has fast detection speed, making it more convenient to use. High Accuracy: Alcohol detector is a high sensitivity alcohol measuring instrument with high accuracy. Rechargeable: This alcohol tester is equipped with a rechargeable battery, which is charged via USB cable, has a long standby time, is lightweight and compact, easy to carry, and can be easily placed in a purse or pocket. Small Portable: The alcohol tester has a built-in purification chamber and is small and portable, making it easy to use when going out. Perfect for Safe Driving: Ideal for checking your alcohol levels before driving, this alcohol tester helps you stay within safe limits. The red light indicates "drunk-driving," while the yellow light shows you are within permissible limits for safe driving. Notice: 1. Actual color may be slightly different from the image due to different light effects. 2. Please allow 1-3cm deviation due to manual measurement. Description: Product Model: H9 Sensor types: semiconductor Material: ABS Working hours: 300 times Measuring range: 0-0.19%BAC 0-0.95mg/L Battery capacity: 200mAH Charging input: 5V1A Charging interface: TYPE-C Indication error: 0.01%BAC Include: 1X Portable Breathalyzers Alcohol Tester