Specifications: Battery: 2 * AAA Alkaline Batteries (Not Included) Sensor: Advanced semiconductor oxide alcohol sensor Accuracy: 0.01% BAC (0.1g / L) Range: 0.00-0.19%BAC and 0.0-1.9g / l (Or 0.00-0.95mg / l (BRAC) Package Weight: 51g/1.8oz Package List: 1 * Alcohol Breath Tester Analyzer (Batteries Not Included) 5 * Mouthpieces 1 * User Manual

LCD Ultra-clear: LCD display allows you to view more clearly, digital alcohol automatically gives you an ble alarm. Lightweight and Portable: Keychain design, easy to carry, small size. Automatic Shutdown: Quick response and recovery. Such a useful tool is exactly what you need, get it!. Health: Air blowing design, with five mouthpieces, can be used by multiple users. Professional Accessories: Pre-tested, accurate and high-quality digital alcohol breath analyzer, which can analyze the alcohol concentration in the blood anytime, anywhere.

Batteries required: No. Best Sellers Rank: #986,824 in Health & Household. Item model number: Headerbs4wr56fmxkc1791. : B09WRW5562. Manufacturer: Headerbs. Item Weight: 2.12 ounces. Product Dimensions: 4.72 x 1.97 x 1.18 inches.