NONCONTACT DESIGN: Noncontact blowing detection is safe and more hygienic, allows multiple persons to use without extra mouthpiece replaced.
HIGH ACCURACY: Alcohol tester adopts high accuracy and sensitive semiconductor alcohol sensor, generating accurate results.
USB RECHARGEABLE: Built in 140mAh polymer battery, can be used for 300 times, very durable, and USB rechargeable.
PORTABLE: Breath alcohol tester is very small and portable, can be easily carried in your wallet or pocket, convenient and practical.
APPLICATION: Breathalyzer is suitable for wedding, parties, feast or other social activities to ensure safe driving after drinking.