Features:
No need for mouthpiece contact, safer and more hygienic, avoids bacteria breeding in blowpipe style, healthier measurement.
High-sensitivity chip, high-precision sensor, equipped with intelligent chip, high-sensitivity sensor, more accurate measurement.
Scientifically filters and purifies impurities, retaining alcohol.
Large LED screen display, easy to read clear values.
Three-color indicator light, easy to understand without confusion, simple to read clear values, drunk driving alarm sound reminder.
High-capacity lithium battery, can be recharged and used, USB charging, one charge can be used about 300 times.