accuracy and fast results This breath tester uses a sensitive semiconductor sensor to measure alcohol concentration in the body and delivers a result in about 5 seconds to help you decide if you can drive. Compact and portable design Spacesaving and lightweight, this pocketsize breathalyzer is easy to hold and carry. Take it anywhere to quickly verify your status before driving after drinking. Simple onebutton operation with audible alert One button to operate. Digital display provides the reading, and an audible alert signals when the result is ready for easy interpretation. Easy to use in all lighting conditions The backlit display stays clear and readable, even in low light or at night. Use scenarios At home, a bar, or a party: check your status before deciding whether to get behind the wheel. Before using a rideshare, taxi, or rental car: confirm your alcohol level is appropriate for driving. While traveling or working late: carry the device for onthego readings to support safe decisions. Notes Sensor type: semiconductor Reading speed: about 5 seconds Display: backlit digital screen Operation: onebutton control with audible alert Portability: pocketsize, lightweight for easy carrying