About this item
Easy to Operate: Turn on the power button of the tester, wait for 10 seconds for preheating time, then blow evenly for 3‑6 seconds until a beep is heard, and the result will be displayed on the LCD screen for 5 seconds.
High Accuracy: This breathing device uses high accuracy semiconductor sensor to monitor the levels. Note that to obtain more accurate test results, please stop drinking for 20 minutes. When using an tester, the interval be
Clear Display: Three color detection indicator light and sound alarm. After using the tester, when the test result is below 0.08% BAC, the green LED light will light up and emit three short beeps. When the test result exceeds 0.08% BAC, the red L
Built in Filter: Scientific filtration, filtering air. The quality is too high and flows downwards, with impurities automatically discharged for more accurate detection.
Convenient to Carry: Compact and convenient to carry, the host has a rope hole in the lower left corner that can be fastened with a keychain.
