Breathalyzer with Non-Contact Detection NON-CONTACT DETECTION: Designed with a gas receiving hole, featuring 4-second touch-free breath detection. Save money and stay healthy. HIGH ACCURACY: Built-in high-precision imported sensor chip, detection accuracy of ±0.01% BAC, detection range 0.00-0.19% BAC (0-1.9G/L). PRECISE ALARM MODE: <0.01% BAC; 0.02% BAC-0.05% BAC; ≥0.08% BAC, corresponding to green, yellow, and red lights indicating safe, warning, and danger levels. PORTABLE DESIGN: Small and portable, the breathalyzer can be placed on the car console and is ready to use. Great for travel. PERSONAL & PROFESSIONAL USE: From personal, parental, to banquet, bar, or professional use, it provides a quick, easy, and reliable way to test blood alcohol content. Specifications: Item Type: Breathalyzer Color: Black Material: ABS Function: Blood Alcohol Content Test Built-in Battery: Polymer Lithium-ion Battery Battery Capacity: 200mAh Detection Range: 0.00-0.19% BAC (0-1.9G/L) Detection Error: ±0.01% BAC Detection Unit: Mg/L (BrAC); mg/mL (BAC) Package Includes: 1 x Breathalyzer 1 x Charging Cable 1 x Manual