1. Automatic alarm with three-color detection indicator. Display screen combined with lights and buzzer alerts for clear, easy-to-understand drunk driving detection
2. Triple-alarm system for test results: audible alert, tri-color light warning, and display notification. Instantly identifies and eliminates drunk driving risks
3. High-definition color LCD screen for clear, at-a-glance measurement data
4. High-capacity lithium battery ensures long-lasting performance. Type-C charging provides extended battery life
5. High-precision smart chip and ultra-sensitive sensor deliver accurate, responsive readings. Supports consecutive multi-user testing for enhanced precision
6. Scientifically designed air pathway filters impurities and alcohol for enhanced measurement accuracy
7. Historical test records support consecutive multi-user testing. Stores up to 9 test sets with power-off memory. Press MEM to review records; long press to clear

Specifications
1. Warm-up time: 10 seconds
2. Sensing time: 5 seconds
3. Measurement accuracy: ±10%
4. Alarm method: LED indicator and buzzer
5. Display: 2.5-inch color LCD screen
6. Battery: built-in 3.7V, 320mAh lithium battery
7. Charging port: Type-C
8. Charging voltage: DC 5V
9. Charging current: less than 1A
10. Size: about 13 x 6.58 x 2.26cm
11. Weight: about 120g