Press the "POWER" button once, the sceen will display 10 seconds count down indicating the tester enters into. "warm up" mode.When the "blow" symbol displayed and 10 seconds count down started, indicating the tester is, ready to test.Exhale pneuma into breath inhaler for 3-5 seconds gently, then read the result from the alcohol tester LCD.
LCD screen display, Easy to read
Auto power off after test
Advanced semiconductor(flat-surfaced) alcohol sensor
Small and Portable Size
Simple One Buton Operation
Package Dimension:11cm*5cm*3cm Material：Plastic
Range: 0.00-0.19%25 BAC and 0.0-1.9g
Warm up time:10 seconds
Blow: within 10 seconds
Reaction Time: within 5 seconds
Automatic shutdown:10 Seconds after showing the result
Powered by 2 x AAA alkaline batteries (not included).
* Caution: In order to get an accurate test result,Please use this test 20 minutes after drinking
1* Alcohol Tester