The BLOW digital breathalyzer will show you the alcohol concentration in your body in a few seconds and will give you the answer to the question whether you can drive a car. 

Product features:

• Precise and accurate sensor
• Mouthless
• Clear LCD display
• Wide measurement range
• Easy to use
• Reliable
• Handy, small size
• Exhalation detection to check the correctness of the measurement
• High accuracy and repeatability of measurements

Specification:

• Rated voltage: DC3V (2*AAA, not included)
• Presentation: LCD display
• Detection method: Semiconductor alcohol sensor
• Sensor life: 1000 times
• Warm-up: 10 seconds
• Measurement time: 6 seconds
• Auto power off: YES
• Measurement indication: 0～1.9g/l (0～0.19%BAC)
• Detection accuracy: 0.1 g/l and 0.01% BAC
• Operating temperature: 0-40
• Storage temperature: -20 to 60
• Product size: 102*31.5*16.5mm

How to use a breathalyzer:

START

Power Button - Hold to turn on or off

LOW BATTERY

When the battery level is low, the flashing display will turn off after approximately 3 seconds. When the battery is completely depleted, the display will light up briefly and the power will turn off.

START

After turning on the breathalyzer, the device will emit a short sound and start counting down 10 seconds (this is the time to prepare the device for measurement).

STARTING THE TEST

After 10 seconds of the device test, the measurement will automatically start for 6 seconds and the result will be displayed immediately after the test. During the countdown, bring your mouth closer to the front of the sensor (About 1 cm). The exhalation should be continuous and at the same intensity.

TEST FAILED

If "Err" appears on the display. Then the test is incorrect, repeat the test by blowing more carefully.

TEST POSITIVE (RESULTS DISPLAY)

If the measurement is successful, the display will show the breath alcohol concentration (mg/L and undetected) (Warning) (Dangerous) and automatically turn off the power.

CHECK THE LIFE OF THE INSTRUMENT

Sensor - Service life up to 1000 times. It can be used even after 1000 repetitions, but the measurement accuracy will be reduced.