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, birth, 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: 0.050% BAC: ±20% Detection Range: 0.000-0.200%BAC Display: 1.5 inch LCD(positive) Optimal Operating Temperature: 0°C~50°C