Xhan Digital Breathalyzer Analyzer Breath Alcohol Tester (LED) Advanced flat surfaced alcohol sensor, high sensitivity Rapid detect results, quick response and resume High accuracy, detection range: 0.000-0.199% BAC / 0.00-1.99 BAC / 0.00-0.99 mg/L. Low power consumption, auto power-off. Long span life.Blue-colored backlight LCD display. Fast shipping: We are Xhan_shop,Ships from China about 7-15 days.