- Advanced data display: The pocket alcohol tester features a clear LCD with backlight that shows test results and operating status. The backlight design ensures easy readability in different lighting conditions, making it a reliable companion for night driving. - Durable performance: It has a built-in rechargeable battery and USB interface, so you can charge it from a power bank, a computer, or a car charger. You can rely on this device day after day for accurate results without interruptions. - Clear alarms and accuracy: Provides precise alcohol concentration readings and includes audible and visual alerts when results exceed the preset value. - Portable and discreet: Pocket-sized, lightweight design for easy carrying and discreet use, delivering accurate readings whenever you need them. - Practical use scenarios: Check before driving after social events to ensure you are within safe limits; verify your level after gatherings with friends; use on the go during night travel or shifts, charging via USB from a power bank or car charger.