Feature 1High Precision: Based on the high precision chip, the smart breathalyzer can measure more accurately. 2LED Display: LED HD display reads and converts accurate value, accurate and sensitive, Chinese display. 3Health Test: No contact, just breath to test, avoid bacterial growth, more healthy measurement. 4Accurate Detection: The alcohol drops automatically, the impurity is removed automatically, the detection is more accurate. 5With Indicator Light: Three color indicator light, whether exceed the standard at a glance, built in large capacity lithium battery, cycle power supply, longer life.Item Type: BreathalyzerMaterial: ABS+MetalLithium Battery: 200MAH (Built in Battery)Feature: Small non contact alcohol breath analyzerTest Range: 0.00%-0.19% BAC 0.0-1.9g /L .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Breathalyzer1 x Data Cable1 x ManualNoteIt is recommended to start the test 20 minutes after drinking,which is more accurate