Professional Portable Semi-Conductor Sensor Digital Alcohol Tester with 10 Mouthpieces

OPERATING INSTRUCTIONS 1. For accurate reading, please wait20 minutes since your last drink before performing test. Tongue and esophagus absorb alcohol and 20 minutes are needed for accurate measurement. 2. Insert a mouthpiece into the mouthpiece opening. 3. Press the Power/Mode Button. After beep the unit will count down from 15 reading “Warm up". This warm-up process prepares the sensor. 4. As the countdown approaches 0, take a deep breath and blow into the mouthpiece when you hear the beep at 0. Continue blowing until you hear a beep. 5. Once the sensor has analyzed the breath sample, the estimated value is displayed. SPECIFICATION • Sensor: high-precision semi-conductor sensor • Detection range: 0.000-0.1990% BAC(0.000‰-1.999 ‰ or 0.000-0.995 mg/l) • Warm-up/Response time: Within 15/10 seconds • Power input: 3V (3 x "AAA" batteries, not included) PACKAGE INCLUDES • 1 x Breath Alcohol Tester ( with 10pcs mouthpieces ) • 1 x Cloth carrying bag • 1 x User Manual