Features: Advanced flat surfaced alcohol sensor. Quick response. SMD assembling, stable performance. Direct testing process LCD indication. Digital LCD display with blue backlight. Portable and fashion design. Audible warning beyond the preset limit. Sensor fault self-checking. Battery saved design, low voltage indication. Digital LCD display. 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 Includes: 1 x Alcohol Tester 5x Mouthpieces 1 x User manual