Features 1、Accurate Chip: Equipped with smart chip, this breathalyser has highly sensitive sensor for higher accuracy in testing. 2、Smart Testing: Designed to have 0.000~0.190%BAC wide test range, the breath meter allows for quick check on people. 3、Better Design: Powered by battery, the breath tester enables simple operation and safe non contact detection by breath. 4、Clear Display: LCD digital display can clearly show the data, and you can quickly check the results through lighting. 5、Easy Carrying: Comes with a light weight and a compact size as well, the easy carrying makes the outdoor use easier. Specification Item Type: Breathalyzer Model: Mr.Black01 Material: ABS Battery: 18650 lithium battery 3.7V 200mAh, with built in battery. Application: For detection. Detection Range: 0.000~0.190%BAC Package List 1 x Breathalyzer 1 x USB Cable 5 x Blowpipe 1 x User Manual