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. Hygienic Nozzle: Accurate alcohol breathalyzer does not use traditional suction nozzles; it is clean and hygienic and can be used with confidence. 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. Notice: 1. Actual color may be slightly different from the image due to different light effects. 2. Please allow 1-3 cm deviation due to manual measurement. Size: 103 x 28 mm Battery: 200 mAh Package List: 1 x Portable Alcohol Breathalyzer Tester