1Intelligent High Sensitivity AI Chip: Equipped with a high sensitivity AI chip, this alcohol tester allows for continuous testing to eliminate false positives, ensuring accurate and efficient detection without wasting time. 2Voice Prompt and Test History: Featuring clear voice prompts throughout the testing process, users can easily understand results and access the most recent 50 test records for reference and monitoring. 3Red and Blue Flashing Lights: When detecting alcohol levels above the limit, the breath tester flashes red and blue lights to alert users, serving as a traffic signal stick for safety. With single touch, the lights cycle between red and blue for enhanced visibility and warning. 4HD TFT Color Screen: The alcohol tester boasts a high definition TFT color screen with clear digital display, providing quick and easy to read results for comfortable reading, even in low light conditions. 5Wide Application Range: Suitable for various industries and sectors such as fleets, factories, businesses, firefighting, aviation, and road safety departments, this alcohol tester ensures safety checks for users in different scenarios, offering reliable support for safe travels!