The black Zhaowei alcohol tester is a high-precision alcohol testing instrument, a breathalyzer.

This high-precision portable breathalyzer offers accurate, safe, and hygienic measurements. Its compact size and contactless design allow for continuous testing by multiple users. Widely used in various fields, its small size and portability provide instant results on whether you're driving under the influence.

Upgraded DFFA dual-filter algorithm for more accurate measurements. Based on a high-precision chip, the intelligent sensor filters out impurities, ensuring lossless alcohol reception and more accurate measurements.

Upgraded third-generation ASIC chip specifically for testing overnight alcohol. Based on an intelligent chip, the high-precision sensor filters out impurities, retaining only alcohol, ensuring stability and accuracy during sampling. Reliable and accurate results give you peace of mind.

Built-in purification chamber scientifically filters and retains alcohol, eliminating impurities for more accurate detection. High-definition display shows test results in red, yellow, and green using domestic standard units, making it easy to see whether you are driving under the influence.

Contactless breathalyzer measurement is safer and faster for screening. No blow tube is needed, ensuring cleanliness and hygiene. A beep alert indicates excessive alcohol. The machine beeps when alcohol is detected, and corresponding lights (green, yellow, red) indicate different alcohol levels.