Purification Technology This alcohol tester features a purification chamber to ensure measurements reflect only pure alcohol, delivering precise results. Definition Display The easytoread definition display allows results to be viewed at a glance, in any lighting conditions. Visual System A threecolor indicator system provides immediate visual feedback on alcohol levels for effortless understanding. Audible Intoxication Alarm The integrated alarm system provides voice prompts when safe limits are exceeded. Use scenarios use after social events: assess whether it is safe to drive or operate equipment before taking action. Workplace safety: verify impairment levels before starting tasks that require full attention or safety protocols. Dim or outdoor environments: rely on clear display and color indicators for quick readings in varying lighting conditions.