Features: Folding mouthpiece design - for focusing the deep lung breath sample on the sensor and obtaining the most accurate results, a mouthpiece must be used. With the innovative folding mouthpiece design, you can take advantage of both aspects. No ambient air distortion test results or the need to purchase additional mouthpieces. If necessary, an additional mouthpiece cover can be used for multi-person hygiene testing. Wide test range and easy-to-read LED display. The wide range of tests for measuring blood alcohol levels from 0.00 - 0.20% BAC. The red LED display allows test results to be easily viewed at any time of the day or night. The instructions on the screen guide the user when to wait and when to blow. One-touch operation for quick and easy testing, just press the power button to start testing in seconds. Stylish design, with rounded corners and black finishes. Ultra small and portable, perfect for carrying around. Also easy to put in your pocket, wallet or glove compartment. Specification: Material: ABS plastics Display: Three digits display (x.xx %BAC) Detection Range: 0.00-2.00%BAC or 0.00-1.00 mg/L Detection Accuracy: ±0.01% BAC Recovery Time: 30 seconds Warm-Up Time: 20 seconds Sensing Time: 3 seconds Very low power consumption, 2 x alkaline AA batteries (not included) can be detected more than 300 times. Bright characters, the red LED shows the data and is clearly visible at night. Audible alarm, the buzzer automatically alarms when the alcohol content is exceeded. Shell: Shockproof injection molded casing Standard Configuration: Main unit, 6 mouthpieces, instruction manual, instrument boxPackage List: 1 x Breath Alcohol Tester 6 x Mouthpieces 1 x Carry Pouch 1 x User Manual