Features： 1、High accuracy and sensitive ，this breath alcohol tester is used to measure concentration of the alcohol in human body. 2、With sensitive semi-conductor sensor, this portable breathalyzer can quickly give a result to judge whether you can drive or not. 3、Provide you high accuracy test result, detection range: 0.00-0.19% BAC / 0.00-0.95 mg/L. 4、Saving power:the alcohol tester is power by Universal AAA batteries. It will auto-sleep 10 seconds after test. 5、This breathalyzer alcohol tester is space-saving, lightweight, portable, it is easy to hold and carry. Specification： Features： High accuracy and sensitive ，this breath alcohol tester is used to measure concentration of the alcohol in human body. With sensitive semi-conductor sensor, this portable breathalyzer can quickly give a result to judge whether you can drive or not. Provide you high accuracy test result, detection range: 0.00-0.19% BAC / 0.00-0.95 mg/L. Saving power:the alcohol tester is power by Universal AAA batteries. It will auto-sleep 10 seconds after test. Easy to use: The personal breathalyzer is extremely easy to use. The back light screen is clear while using the breath alcohol tester at night. there are extra mouthpieces used to test, clean and convenient. This breathalyzer alcohol tester is space-saving, lightweight, portable, it is easy to hold and carry. Specifications: Color: Black Material: ABS Accuracy: -0.01~+0.02%BAC Blowing Time: Within 10 seconds Size: 11 * 3 * 7cm / 4.33 * 1.18 * 2.75in Weight: 80g / 2.82 Package List: 1 * Alcohol Tester 5 * Mouthpiece 1 * Instruction Package List： 1 * Alcohol Tester 5 * Mouthpiece 1 * Instruction