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Portable Police Breathalyzer Analyzer Detector Digital Alcohol Breath Tester Features: Semi-conductor sensor. With professional airway design and high-precision semi-conductor sensor, the portable breath alcohol tester provides you accurate results with the detection range of 0.000-0.199% BAC&0.00-1.99 BAC&0.00-0.99 mg/l. LCD Screen. With blue backlit LCD display, it will be much easier for night viewing. The breathalyzer is designed to give you professional accuracy for safe drive. It is ideal for applications that demand the most accurate results, such as clinical or roadside alcohol testing or personal BAC monitoring. Accurate Result. It will give you a hint when user's BAC is above 0.050%BAC or 0.500 BAC or 0.250mg/L, which helps you make right decision while drinking. It will be auto shut off to save power after you finished the test for 20 seconds. LCD screen flicker shows that it is in low battery. Portable Design, the personal breath alcohol tester comes with 5 pieces mouthpieces that can be tuck away neatly on the back of the device. With a cloth bag, it is portable to carry wherever you go. Easy Operation. With only one button operation, it is simple to power the device on and make test in seconds. The button also allows you to shift among the units from %BAC ,BAC to mg/L. Descriptions: It is powered by 3 pcs AAA batteries(the batteries are not included) 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. Easy to use, Light weight. With a bag for it, easy to carry Low power consumption, auto power-off. Long span life,Sensor fault self checking,Blue-colored backlight LCD display. Specifications: Sensor: high-precision semi-conductor sensor Detection Range:0.000-0.199% BAC; 0.000-1.990 BAC; 0.000-0.995 mg/L (BrAC Warning Point 0.050% BAC; 0.500 BAC; 0.250mg/L (BrAC) Warm-up time: Within 15 seconds Respond time: Within 5 seconds Operating temperature range: -10 ~ 50 Digital display results (%BAC / BAC / mg/L) LCD backlight: Blue Material: plastic Length: 112mm Package included: 1 x Digital Breath Alcohol Tester 1 x Cloth bag 5 x Disposable Mouth Pieces Notes: Please allow 0-2mm error due to manual measurement, thanks for understanding. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you!