Description:  Our FDA cleared alcohol breathalyzer adopts the latest advanced high-precision semiconductor sensor technology to produce professional-grade accurate readout in seconds. A great affordable home-use breathalyzer that gets the job done without breaking the bank. A great way to keep yourself, family, and friends safe. Suitable for all social activities, including weddings, parties, birthdays, and even the morning after drinking. Ensuring responsible safe driving after consuming alcohol.          Package Includes:  1pc x Alcohol Breathalyzer  6pcs x Mouthpieces  1pc x User Manual          Specifications:  Semiconductor Sensor  Reference standard: EN16280  Warm-up time: < 30 seconds  Response Time: 3-5 seconds  Blowing Time: Approx. 5 seconds  Sensitivity: 0.001% BAC  Sensor Accuracy: ±0.010 at 0.050% BAC;>0.050% BAC: ±20%  Detection Range: 0.000-0.200%BAC  Display: 1.5 inch LCD(positive)  Optimal Operating Temperature: 0°C~50°C