Widely applicable Suitable for authorities, private use, family celebrations, and events. Intelligent alarms Issues a voice warning when drunkenness is detected. The system supports regulatory compliance and helps prevent penalties and risks. Easy to use Rechargeable 300 mAh battery with USB charging. After a 10 second warmup time, a 5 second breath sample is sufficient. The LCD display shows the result within 3 seconds. Compact and efficient design Uses noncontact technology and weighs only 25 grams. Portable enough to carry in a handbag or pocket. Automatically shuts down after 10 seconds of inactivity to save energy. 23 practical use scenarios Private use and family gatherings: quickly screen guests to help maintain a safe and responsible environment. Events and venues: monitor alcohol consumption to support safety policies and regulatory requirements. Professional or regulatory contexts: assist authorities or organizations in compliancerelated checks during operations.