Comprehensive Alcohol Testing- This portable breath tester with a digital display contains a built-in rechargeable battery and can perform up to 300 tests on a single charge, making it ideal for personal or professional use.User-friendly LCD Display- The LED digital display allows quick and easy reading of alcohol readings, you can judge your sobriety with confidence.Intuitive Indication System- Equipped with a three-colour LED display (red, yellow, green), this device clearly communicates the alcohol content and provides immediate safe driving decisions.Fast and Efficient Measurement- With quick test and automatic detection modes, this breath tester ensures results, perfect for those who need instant testing.Use scenarios- After a night out, check your sobriety before driving to decide if you are safe to operate a vehicle.- In workplace safety programs or fleet operations, perform fast, repeatable checks to support safety compliance.- For personal monitoring or before operating machinery or engaging in high-alert activities, use this device to confirm alertness levels.