1、High Accuracy and Sensitive: The alcohol tester features accurate and reliable alcohol concentration measurement with advanced semiconductor alcohol sensor technology, providing precise results with 0.01mg/L accuracy to ensure safe driving. 2、Convenient Nozzle: The alcohol tester detector comes with 4 replacement mouthpieces for cleaning and reuse, eliminating concerns over sharing and ensuring easy maintenance for multiple users. 3、LCD Display: The breath alcohol analyzer comes with a high definition digital LCD screen for clear, easy to read, and sensitive results, allowing users for quick and accurate readings. 4、Reliable Performance: Designed for up to 2500 tests, this digital alcohol detector ensures consistent and accurate results. Suitable for different environments with a working temperature range of 5 to 35℃ and storage temperature of 0 to 40℃. 5、Rechargeable Design: The personal alcohol tester detector comes with a rechargeable battery, which allows for continuous use. Saves you the hassle and extra cost of buying replacement batteries.