Tester Breathalyzer Accurate Meter Backlit BAC Tester Digital Display Portable Tester Professional Features: Accurately measure levels with the precisions sensor and time. Portable BAC tester with easy to read display. Designed for individuals who need to monitor levels, this professional tester provides a practical solution. From social gatherings to professional settings, promotes responsible drinking habits and ensures safety. Experience peace of mind, your reliable companions for testing and safety. Specifications: Material: Plastic Voltage: 3V Working Temperature: 5-40 Range: 0-0.19% BAC & 0-1.9gL Accuracy: 99.9% Battery: 2xAAA Battery Needed(NOT Included) Size: Approx. 100x37x17mm/3.94x1.46x0.67in Package Includes: 1x Tester Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.