: Many people use them to ensure they are safe to drive the morning after a night of drinking, which is often when BAC is still high.
: Everyone’s body processes alcohol differently based on weight, age, and metabolism; a device can help you learn your specific reaction. can you buy your own breathalyzer
: While not a legal defense, having an objective measurement can help you make better safety decisions. Key Considerations When Shopping When choosing a device, the technology inside matters most: Are personal and police breathalyzers accurate? - AlcoSense : Many people use them to ensure they