Blow-Type High Precision Alcohol Testing Device 1. Current: 150mA 2. Measurement range: 0-200mg100mL 3. Detection method: semiconductor gas sensor 4. Internal battery: 200mAh lithium battery 5. Operating environment: -5°C to 45°C 6. Non-contact air blowing, compact and portable, capable of continuous testing by multiple users 7. Widely applicable in various situations, non-contact air blowing is more hygienic and provides accurate and rapid results 8. Multi-layer purification and scientific filtration, retaining only alcohol, for more accurate detection 9. High-efficiency core, stable and anti-interference, efficient and sensitive detection 10. LED display, clear and easy to read, dual-unit display, no switching required 11. Three-color lightbuzzer warning: the corresponding color of the light illuminates according to the blood alcohol content, and a buzzer will alert you if you have consumed too much alcohol 12. In sentry mode, the detector will sound an alarm when vibrated, and the flashing red light provides added peace of mind when traveling on business, staying in a hotel, or when you are alone 13. Built-in 200mAh lithium battery, rechargeable 14. Weight: approximately 34g 15. Dimensions: 105x26x14mm