iwobi Alcohol Tester, Professional-Grade Accuracy Alcohol Tester with 4 Pcs Mouthpieces,LCD Display for Night Reading Semi-Conductor Sensor Breathalyzer Kit

• High Accuracy: With sensitive semiconductor sensor, accurately shows the alcohol content in the blood within seconds and provides you with the accurate test result.
• Auto alarm function: the breathalyser alerts you with an audible alarm when the test result is above 0.05% BAC or 0.5g/L, warning the driver. To save energy after 2-3 seconds after test if there is no operation.
• Easy to Use Just insert 2 AAA batteries (not included), turn on the breathalyzer, wait 10 seconds to warm up, and get the exact results on the screen.
• EASY TO READ With the backlit LCD display, night vision is much easier and you get professional precision for safe driving.
• Pocket Size & Portable The breathalyzer with keychain is small and lightweight. Easy to fit your bags, perfect for travel.

Description Product details Features: Comes in a space-saving, lightweight, portable design. You can take this breath alcohol tester wherever you go. Test your BAC at your will. No wires, no complicated accessories, just require 3 AAA batteries. It is extremely easy to use. Just blow toward it, you can quickly get the result. Specification: Size:2.75x4.33 inch. Color:As picture shown. Powered by: 3xAAA batteries (not included). Package Included: 1 x Alcohol Tester. 4 x Mouthpieces.