Features: Digital LCD display. Advanced flat surfaced alcohol sensor. SMD assembling, stable performance. Direct testing process LCD indication. Digital LCD display with blue backlight. Portable and fashion design. Audible warning beyond preset limit. Sensor fault self checking. Battery saved design, low voltage indication. Description: High Accuracy and Large Digital LCD Screen. This breath alcohol tester is used to measure concentration of the alcohol in human body. With sensitive semi-conductor sensor, it can quickly give you a result. In addtion, with blue back-light, it is convenient to read the result when use it at night. Compact Design. Comes in a space-saving, lightweight, portable design, ONLY Pocket-size, completely easy to hold and carry everywhere. And comes with a cloth bag, it is very convenient for you to keep when do not use it. Specifications: Model: AT6000 Detection Range: 0.00 - 0.20BAC% ; 0.00 - 2.00 g/L; 0.00 - 2.00BAC‰ ; 0.00 - 1.00 mg/L; 0.00 - 200 mg/100mL Alarming Threshold: 0.05% BAC; 0.50 g/L; 0.50‰ BAC; 50 mg/100mL Test Accuracy: ±10% F.S Working Voltage: DC 5V 3xAAA batteries(not included) Working Current: ≤120mA Environmental temperature:-10℃ to 50℃ Relative Humidity ≤95% Display: 3 digits LCD display with blue backlight Battery Expectancy Time: ≥2000 Times Size:103 x 65 x 27mm(LxWxH) Weight: 76.5g Package Content: 1 x Alcohol Tester 11 x Mouthpieces    1 x User manual