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[Digital Alcohol Tester] The advanced high-precision nanotechnology sensor will immediately provide you with accurate value, No need for spare mouthpiece, more clean and hygienic, for you and your family or friends to use.

[Portable Breathalyzer Tester ] This professional alcohol alcohol alcohol alcohol alcohol meter only needs a small space and can be easily put into your wallet or pocket. It is very suitable for home alcohol test ,weddings, ​parties, feasts or other social events, ensuring that you drive safely after drinking water.

[Easy to use] Press down to start blowing, display the WARM UP logo, display the BLOW logo for 10 seconds and then blow, start blowing and read the value

[Sound alarm] If the result is lower than the warning value, the screen will turn green and the siren will emit "di"; if the result is between the warning value and the dangerous value, the screen will turn yellow and the alarm will sound "di"; When the test result is higher than 0.05% BAC / 0.5‰ BAC, the screen will display digital breathing. The analyzer will turn red, and the alarm will sound "di di di..."

[Portable] This breathalyser is space saving, light weight, easy to carry, easy to hold and carry. USB charging, no need to replace the battery, easy to use and charge