Mini Non-contact High-sensitivity Color Screen Digital Display Alcohol Tester 1. Material: ABS 2. Response time: 5 seconds 3. Preheating time: 10 seconds 4. Power supply: Type-C charging interface 5. Test range: 0.000~0.199 BAC 6. Blowing time: 3-10 seconds 7. Battery capacity: 120mAh 8. Additional memory function, can store up to 50 sets of test results 9. The non-contact breathalyzer does not require a disposable mouthpiece 10. It is designed with a purification room to purify the interference and only leave alcohol, and the sensor will display the alcohol concentration with high precision 11. Three-color blocks and digital display visually display alcohol test results 12. USB charging, high-capacity lithium battery can be used for a long time after being fully charged 13. Portable and easy to store, very suitable for home use, outdoor camping, etc., put it in your car and test your breath when needed 14. Dimensions: 30.6x13.5x58.74mm 15. Weight: about 40 grams Notice: 1. It takes at least 20 minutes for alcohol to be absorbed from the digestive system into the blood system, so it is recommended to test 20 minutes after drinking 2. Do not wipe the product directly with chemicals or corrosive solvents to prevent liquid from flowing into the blowing hole 3. If the test is performed under low battery conditions, there will be a certain deviation between the test value and the actual value