Professional Keychain Digital Breathalyzer, Portable Breath Alcohol Analyzer Tester with LCD Display

A breathalyzer or breathalyser (a portmanteau of breath and analyzer/analyser) is a device for estimating blood alcohol content (BAC) from a breath sample.
The breathalyzer is one of the most affordable breathalyzers available.
It can be used in a wide variety of settings including clinical test applications and for personal use.
Its uses advanced semiconductor alcohol sensing technology to quickly take a breath sample and provide a blood alcohol content (BAC) estimate.
The lcd graphic display will indicate how inebriated you are, whether it be dangerous (over 0.05% bac), unsafe (approx. 0.02% bac) or safe (under 0.02% bac).
Displays "caution" when result is within 0.02% - 0.05%, displays "danger" when result equals to or higher than 0.05%.
Specification:
Warm-up time: Within 10 seconds
Respond time: Within 5 seconds
Detection range: 0.00% - 0.19% BAC / 0.00- 0.95 g/L
Power input: Use 2xAAA alkaline batteries (not included)
Package included: 1 * Breath alcohol tester
4 * Mouthpieces Note:1.Test after drink at least 20 minutes , because alcohol from the digestive system to absorb the blood about 20 minutes. test immediately after drink , the results can only reflect the mouth of the alcohol concentration, rather than the blood contained in the alcohol concentration. 2.For make the test results accurate, please wait 20 minutes after drinking and then test, the test time is best from the last test more than 3 minutes. 3.Before the test is strictly prohibited smoking and eating within 20 minutes. 4.Do not directly with chemicals or corrosive solution to wipe the product, to avoid the flow of liquid into the air pipe. 5. If test at low battery, the test value and the true value will be a certain deviation between. 6.Unauthorized repair and damage to the internal parts will lead to product failure. Simple and conveniently design for analysis blood alcohol concentration (bac) at anytime and anywhere high sensitivity
High accuracy, detection range: 0.00-0.19% BAC / 0.00-0.95 mg/L
Rapid detect results, quick response and resume. Portable and convenient to carry on keychain with audible alert
Blue-colored backlight LCD display. Perfect for driver DUI breathalyzer test
Low power consumption, auto power-off. Long span life