Product: Breathalyzer Digital Alcohol Tester Detector Breath Analyzer Audible Alert Portable with LCD Display
Brand: ZOUYO

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
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

Search query: breathelizer key chain
Relevance: Exact