CA2000 Alcohol Tester Blowing Type Ethanol Concentration Tester 1. LED display, clear at a glance 2. Highly sensitive sensor, accurate measurement 3. Fast response speed, fast recovery 4. Two-color alarm light, the green light is in the standby state, and the red light is on after blowing to alarm, indicating that the alcohol exceeds the standard 5. Comes with a suitcase, independent grooves, anti-drop and durable parameter: 1. Response time: 5 seconds 2. Warm-up time: 20 seconds 3. Accuracy: +-0.1MGML 4. Power supply: 9V alkaline battery or car power supply 5. Detection range: 0.00-4.00MGL 6. Sensor types: highly selective semiconductors, oxide sensors 7. Battery capacity: 1000mAh 8. Dimensions: 120 x 60 x 25 mm packing list: Car charger, 9 mouthpieces, manual, alcohol tester