Features Precise Chip: Based on a high-precision chip, the breathalyzer is equipped with smart sensors, making the test more accurate and reliable. This breath alcohol tester is used to measure the alcohol concentration in the human body. This portable breathalyzer has sensitive semiconductor sensors that give quick results to tell if you can drive. Intelligent Test: Integrated design, the upper sliding baffle closes the dustproof, and sliding down the baffle for testing. , long service life and accurate results. Better Design: The breath tester is powered by batteries, which can achieve safe and simple non-contact testing with one breath, and can also be charged with a data cable, giving you a more convenient experience. Display at A Glance: The LED digital display data is clear at a glance, and the three-color indicator light is clear at a glance. It is convenient to use this alcohol to breathe at night. Easy to Carry: Light weight, compact size, easy to carry, easier for outdoor use, easy to put in a purse or pocket. The pocket size allows you to take it with you wherever you go, keeping you safe while drinking and driving. Specification: Item Type: Breathalyzer Sensor Type: Semiconductor Type Charging Input: 5V1A Response Time: ≤20s Measuring Range: 0-0.19%BAC, 0-0.95mg/L Measurement Error: ±0.01%BAC Operating Temperature Range: -5℃~45℃ Storage Temperature Range: -20℃~50℃ Blowing Continuity Test: 5S ≥10L/min. Battery Type: 1 x 02030 polymer lithium battery 200mAH, delivered with built in battery. Working Current: 150mA Charging Method: DC 5V 1A Package List: 1 x Breathalyzer 1 x Data Cable 1 x Lanyard 1 x User Manual Package List 1 x Breathalyzer 1 x Data Cable 1 x Lanyard 1 x User Manual