1. Sensitive Analysis: Featuring an advanced intelligent chip design combined with sensitivity sensors, this device delivers fast and consistent results in consecutive tests for efficiency and accuracy. 2. Voice Guidance Feature: Utilizes a voiceguided mechanism with realtime notifications in English, enhancing userfriendliness and ensuring adaptability for alcohol testing under various conditions, day or night. 3. TravelFriendly Comfort: With its portable and lightweight design, this tester easily fits into any pocket or container, offering convenience for transport anytime while maintaining an elegant and minimalist profile. 4. Enhanced Visual Display: A 5inch color screen, powered by a lighting module, provides sharp visibility in all lighting scenarios, improving usability through its multifunctional design integration.