Feature: 1.Designed using a super sensitive semiconductor sensor system our portable breath analyzers, ensures your alcohol level is found out in seconds to be sure if it& 39;s safe to drive. It is suitable for European countries such as UK and France. 2.When the testing result0.08%BAC (or 0.8g/l), it displays Danger on LCD screen with rapid tone sound and the red indicator is always on. when the testing result is within 0.02%BAC (or 0.2g/l) - 0.08%BAC (or 0.8g/l), it displays Caution on LCD screen with slow prompt sound and the yellow indicator is always on .When the testing result < 0.02% BAC (or 0.2g/l), the green indicator is always on and no sound. 3.Fine workmanship and good performance.Made of plastic material, the alcohol detector is sturdy, durable and reusable. The alcohol tester is designed with an ultra-sensitive semiconductor sensor system that ensures that your alcohol level is determined within seconds for safe driving. 4.Easy to use.The LCD alcohol analyzer performs alcohol testing by blowing. Open the dust cover and blow in the alcohol test. No mouth-to-mouth, healthier testing. Test value is directly displayed on the LCD display, easy and simple to read. 5.Digital alcohol tester is small, easy to carry and save space. You can put it in your pocket or backpack. Specification: response time: 15S Measuring range: 0~0.19%BAC 0~1.9g/l Indication error: 0.01%BAC Operating temperature range: -5~45 Storage temperature range: -20~50 Blowing continuity test: 5 seconds (Flow: 10L/min) Power supply mode: Battery capacity 200mAh Working current: 150mA Display: LCD display Alarm mode: Buzzer Charging mode: DC5V1A Net weight: 30g Gross weight:89g Product size: 101*27*15cm Package size: 145*81*25cm includes: 1 x Alcohol Tester