Easy to use and fast results: The alcohol detector is equipped with a rechargeable 300mAh battery and USB charging function. After only 10 seconds of warmingup time, breathing into the device for 5 seconds is sufficient. The LCD display screen shows the result within 3 seconds. Compact and portable design: Adopts notcontact technology. Weighing only 25 grams, it is easy to carry in a handbag or pocket. After 10 seconds of inactivity, the device will automatically shut down to improve energy efficiency. Accurate and reliable performance: Equipped with precision semiconductor alcohol sensors and supporting circuitry to provide accurate measurement results. It is well suited for home users who want to quickly gauge the alcohol level of friends or family in social situations. Intelligent alarms and compliance: The device will issue a voice warning if drunkenness is detected. Practical use scenarios: Before driving or operating machinery, to assess impairment and make safer decisions. At home or during social gatherings with friends and family, for quick awareness of alcohol levels. In workplaces or events with alcohol policies, to support compliance and risk management.