1、LED HD DIGITAL DISPLAY: The drinking status will be displayed in three colors and drunk alarm tips, indicating more clearly, green has not drunk, yellow has drunk, red has drunk. The alcohol tester Type C interface is easy to charge and can be used 500 times on a full charge for a longer battery life 2、HIGH ACCURACY: Alcohol tester adopt for ASIC efficient intelligent chip, can measure overnight wine, C language algorithm, bring simple reading, stable and interference resistant, bring more accurate measurement 3、VIEW 50 SETS OF DATA RECORDS: Alcohol tester hold down the key for two seconds to view the recorded data. The record character display the data serial number and corresponding concentration value. Press the button to turn up. If there is no action within 10 seconds, the OFF display blinks twice to shut down 4、NON CONTACT TEST: Breath alcohol tester bring scientific filter retained alcohol, non contact blowing health and hygiene, alcohol quality downward flow, automatic discharge of impurities, bring more accurate job detection, avoid breeding dirty, recycling use is more environmentally friendly 5、MULTIPLE FUNCTIONS: This breath analyzer is small enough to hang on a key chain, easy to carry and store, perfect for home use, outdoor camping, carnivals, etc. Keep in your car and test your breath when needed