Features:100% brand new and high qualityThis alcohol tester adopted high-precision semiconductor alcohol sensor, just need only few seconds can give a result to judge whether you can drive or not.This professional alcohol breathalyzer just need small space, can be easily carried in your wallet or pocket everywhere.Great for wedding, parties, feast or other social activities, ensures your safe driving after drinking.No need to worry about forget to install a mouthpiece or hygiene issue, you can directly blow to the tester inhaler without a mouthpiece, more convenient and safe. Three color detection indicators,the test reults are clear at a glance. Package Includes:1x Alcohol Tester Specifications:Material:ABSType:English/JapaneseSize:Approx.101x27x15mm/3.97x1.06x0.59 inches note:1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.