1、More Accurate Detection: The non contact breath alcohol tester provides more precise and accurate alcohol measurement, ensuring a healthier testing process. 2、Purification Container: The alcohol tester has a built in purification container that filters out impurities, leaving only alcohol behind, keeping the device clean and hygienic. 3、High Sensitivity Sensor: Equipped with MEMS semiconductor alcohol sensor, the tester offers high sensitivity and accurate alcohol measurement, with easy and simple operation. 4、Portable and Convenient: The portable breath tester is compact and convenient, featuring a high definition digital display and abnormal alarm function for easy use on the go. 5、Wide Applications: Widely used in drunk driving detection, alcohol production, safety inspections, fire safety, express delivery, coal mines, fleets, companies, construction sites, and more.