Features:  - Chinese, English and Japanese three languages can be switched.  - Non-contacting blowing design which avoids the breeding of bacterium in the blowpipe, quick troubleshooting without contact blowing and make the measurement healthier.  - With sound warning function, it will make beep sounds to alarm you that you are under drunken state.  - Brown semi-transparent craftsmanship housing design, smooth and comfortable hand feeling, easy to carry around with you.  - High precise design, built-in purification chamber, the impurities are automatically discharged, and the alcohols will retained, and the detection data will more accurate.  - Intellectualized design, adopts high sensitive sensors, interference resistance design for more accurate measurement.  - TFT display, simple and easy to read accurate values, large fonts makes you can get the values at a glance.  - Equipped with three-color detection indicator light, the test results are clear at a glance, red represents drunken state, yellow represents drinking state, green represent non-drinking state.  - Built-in large capacity battery, rechargeable design, break the traditional battery power supply, economical and practical to use.  - Wide applications, suitable for family dinner, company annual meeting, construction site, bus fleet, enterprise use.     Specification:  Name: Alcohols Tester;  Material: ABS;  Battery: 1 x 3V, 400mA battery (included);  Measuring range: 0.000-0.199%BAC;  Indication error: ±0.005%BAC;  Input voltage: 3V;  Response time: ＜5S;  Continuous blowing time: 10s;  Preheating time: 10S;  Interface: USB interface;  Item size: 112 x 61 x 29mm / 4.41 x 2.40 x 1.14in;  Item weight: 23g / 0.81ounce;  Package size: 120 x 70 x 40mm / 4.72 x 2.76 x 1.57in;  Package weight: 100g / 3.53ounce.     Package inluded:  1 x Alcohols Tester.