Multifunctional Baton Handheld Alcohol Tester Breath Electrochemical Alcohol Tester 1. Intelligent high-sensitivity chip, eliminating false blowing, no blowing airflow, and no automatic empty measurement 2. Just wave the stick to test. When the person being tested approaches the air intake and blows, the sample will be automatically collected and analyzed for detection. It's easy and fast 3. The bottom is equipped with a special safety hammer for breaking windows. It is highly durable and can easily cut through metal and glass. It's prepared for any dangerous situation 4. Voice announcement, continuous detection, capable of detecting overnight alcohol 5. Sound and light indication, making the test results more intuitive 6. Charging interface: Type-C 7. Battery capacity: 500mAh