ASCOZY Alcohol Tester, Portable Rechargeable Breathalyzer with Digital LCD Screen, Semiconductor Fast Accurate Measurement,Auto Power Off, Sound Alarm

【Dustproof design】Rotating open the spiral dust cover to blow air for alcohol testing, no need mouthpiece to avoid growth of bacteria, the test is healthier.
【High precision & digital LCD display】Alcohol tester with advanced semiconductor sensor technology, you can get the accurate alcohol concentration in blood within seconds to sure whether or not can drive.
【Intelligent Alarm】Different alcohol concentrations will have different lights, which are green, yellow and red. Green means safety, yellow means warning, and red means danger. If the measured value≥0.05%BAC (or 0.5g/l), and the alarm will sound a “di di di…”.Please read the instructions carefully before use.
【USB charging】Alcohol Breathalyzer convenient recharge by using USB cable. It can be charged by phone charger or computers’ USB port. It lasts 200 times after being fully charged.
【Easy to Use and Portable】Please press the power button for 1 second to turn on the alcohol tester, then take 10 seconds to warm it up, keep blowing for 5-10 seconds to get the result. The Breathalyzer with mini size, it’s small and easily fits in a purse or pocket, hung on a keychain, or placed in a car.