Real Instruments Alcohol Tester Breathalyzer Fuel Cell Mr. Black H2 Superior Accuracy & Sensitive Analytical Scale

Electrochemical sensor. 0.96 'TFT display screen. Red, yellow and green LED light bands can directly display whether the alcohol content exceeds the standard. Portable design, super small size, easy to carry.It is equipped with 300mAh lithium battery TPYE-C interface for charging, which can be used more than 400 times when fully charged. Blowing vibration prompt, automatically stop after 3 seconds of blowing. Up to 2000 test data can be memorized in the machine, and the data can be exported via USB. High detection sensitivity Power saving mode: the instrument will automatically shut down for 2 minutes when it is not operated in the startup state.