Cpolebev Digital Alcohol Tester Professional Breathalyzer with LCD Display USB Rechargeable Electronic Alcohol Tester Keychain

1. Upgraded alcohol tester has additional memory function to store up to 50 groups of test results. 3. Three color blocks and digit display show you the alcohol test result intuitively. 2. Non-contact breathalyzer needs no disposable mouthpiece. Designed with a purification room that purifies distractors leaving only alcohol, the sensor show you the alcohol concentration in high precision. 4. USB rechargeable, the high-capacity lithium battery lasts long on a full charge. 5. Portable and easy to store, the breathalyzer is great for home use, outdoor camping, carnival, and more occasions, place it in your car and test your breath when you need it.