Feature: 1. Intelligent 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. 2. Voice 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. 3. Red 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. 4. HD 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. 5. Wide 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 Specification: Item Type: Alcohol Tester Material: ABS Weight: Approx. 82.00g/2.89oz Battery: Polymer Lithium Battery 500mAh (Included) Detection Way: Semiconductor Gas Sensor Breath Alcohol Concentration Measurement Range: 0 to 200mg/100mL Measure Target: Breath Alcohol Concentration. Package List: 1 x Alcohol Tester 1 x USB Cable Note: When the alcohol tester is taken out of the packaging for the first time or has not been used for a long time, a large amount of gas and other impurities may adhere to the sensor. In this case, you need to press the power button several times repeatedly to preheat and clean the alcohol tester.