Welcome to our store. You will get the best quality products and enjoy excellent service.<br /><br />Search term:<br />Digital Alcohol Breath Tester， Alcohol Tester， Breathalyzer， Keychain Breathalizer， LCD Display， Portable <br /><br />Type 1  Features:<br />Portable Keychain LED Alcohol Breath Tester Breathalyzer<br />This is a Portable Keychain LED Alcohol Breath Tester， <br />Easy to use，quick response and resume in seconds.<br />First press and hold the power button to warm-up<br />Second when warm-up is succeed， just simple blow into the breath inhaler for 3-5 seconds<br />Third， read the test result.<br />Only Green LED light on ----Safe， the alcohol concentration level is under 0.02% BAC (0.1mg/l BRAC)<br />Only Yellow LED light ----Caution， the alcohol concentration level is 0.02% to 0.05%BAC (0.1mg/l BRAC to 0.25mg/l BRAC)<br />Yellow LED & Red LED light both on ----Danger， the alcohol concentration level is over 0.05% BAC ( 0.25mg/l BRAC)<br />This black keyring design breath alcohol tester is easy to carry and easy to use.<br />3- step alcohol test<br />Easy to use，quick response and resume in seconds<br />LED Torch function<br />Keyring - Portable， handy and convenience to carry<br />Use two AAA alkaline batteries (Not included)<br /><br />Specification:<br />Original box: Yes<br />Item size: 72*39*18mm<br />Packaging size: 110*80*23mm<br />Color: Black<br /><br />Packing content:<br />1 x Keychain LED Alcohol Breath Tester Breathalyzer<br />1 x User Manual   <br /><br />Type 2 Features:<br />This is a digital breath alcohol analyser tester.<br />Digital alcohol test with audible alert.<br />LCD backlight display for easy reading.<br />Auto power off， quick response and resume.<br />The digital alcohol breath tester has a key chain， very portable to carry out.<br />Pormptly and conveniently design for measuring BAC.<br />A simple method to analysis Blood Alcohol Concentration at anytime and anywhere.<br /><br />Description:<br />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%.<br /><br />Specifications:<br />Color: Black&Gray<br />Item size: 110*70*25mm<br />Battery: 2"AAA" alkaline batteries (NOT INCLUDE)<br />Sensor: advanced semiconductor oxide alcohol sensor<br />Range: 0.00-0.19%BAC & 0.0-1.9g/l (or 0.00-0.95mg/l BRAC)<br />Accuracy: 0.01% BAC(0.1g/l)<br /><br />Type 2 Packing content:<br />1 x Digital Alcohol Breathalizer Tester<br />4 x Breath inhaler Case<br /><br />Type 2-Backlight Package included:<br />1 * Breath alcohol tester<br />6 * Mouthpieces<br />1 * Manual<br /><br />Wish you feel full of happiness.