Widely applicable: suitable not only for authorities but also ideal for private use, family celebrations, and events. Modern small size design: uses noncontact technology. Weighs only 25 grams and can be carried in a handbag or pocket. After 10 seconds of inactivity, it automatically shuts down to improve energy efficiency. Professional accuracy: equipped with precision semiconductor alcohol sensors and measurement equipment to provide accurate results. Very suitable for home users to monitor guests and family in social situations. Intelligent alarms: issues a voice warning when intoxication is detected. The system supports regulatory compliance and helps prevent penalties and risks. Practical use scenarios At home or during family celebrations to quickly check guests' alcohol levels and support safety decisions. At private events or gatherings to help enforce responsible drinking and comply with venue or event policies. For authorities, venue staff, or event organizers during public events to monitor alcohol levels and reduce risk.