1. Sensor: semiconductor alcohol sensor 2. Power consumption: 2 1.5 V AAA alkaline batteries (not included) 3. Response time: 5s 4. Warm-up time: 10s 5. Automatic shutdown: about 10 seconds 6. Whether you are indoors or outdoors, the blue backlight allows you to easily see the results at night 7. The portable alcohol tester has a simple and convenient design and can analyze blood alcohol concentration anytime and anywhere. 8. Digital display of alcohol concentration results with real-time sound 9. Easy to carry 10. With shutdown and energy-saving functions 11. Dimensions: 112 x 68 x 22mm 12. Net weight: about 36g
