The Digital Breath Alcohol Tester with Alarm Sound is a compact and easy-to-use device designed to quickly measure blood alcohol concentration (BAC) from a person’s breath. It features a sensitive semiconductor sensor and a clear LCD display that provides fast and accurate results within seconds. The tester includes an audible alarm that alerts users when alcohol levels exceed the preset safety limit. Lightweight and portable, it is ideal for personal safety, workplace checks, and responsible monitoring before driving.