Features:Advanced flat surfaced alcohol sensor<br> Quick response<br> SMD assembling, stable performance<br> Direct testing process LCD indication<br> Digital LCD display with blue backlight<br> Portable and fashion design<br> Audible warning beyond preset limit<br> Sensor fault self checking<br> Battery saved design,low voltage indication<br> Digital LCD display<br> Professional Breathalyzer TesterBreath Alcohol Tester safety for driversBreath Alcohol tester needs mouthpieceWarm up within 10 secondsBroad range<br> Auto warning beyond pre-set limit<br> Works EVERY time<br> Digital Output<br> Power saving design<br> Low battery alert<br> Instructions included<br> 10 mouthpieces included<br> (Mouthpiece not necessary--simply blow into groves for 3-5 seconds)Compact and lightweight design--fits into purse or pocket easily<br> Easy to use<br> Specifications:Model: AT6000Detection Range: 0<br> 00 - 0<br> 20BAC% ; 0<br> 00 - 2<br> 00 g/L; 0<br> 00 - 2<br> 00BAC ; 0<br> 00 - 1<br> 00 mg/L; 0<br> 00 - 200 mg/100mLAlarming Threshold: 0<br> 05% BAC; 0<br> 50 g/L; 0<br> 50 BAC; 50 mg/100mLTest Accuracy: 10% F<br> SWorking Voltage: DC 5V 3xAAA batteries(not included)Working Current: 120mAEnvironmental temperature:-10 to 50Relative Humidity 95%Display: 3 digits LCD display with blue backlightBattery Expectancy Time: 2000 TimesSize:103 x 65 x 27mm(LxWxH)Package Included: 1 X Alcohol Tester ,11 xFilter tips