Non-contact alcohol analyzer for hygienic testing without direct touch. Built-in high-precision solid-state sensor detects alcohol content quickly, making it suitable for self-testing before drinking and before driving. Easy operation. During charging a red indicator light stays on and goes off when fully charged. After preheating for 15 seconds, blow air for 5 seconds and, after 3 seconds, the LCD displays the result. Portable design. Compact and lightweight, it fits in a wallet or pocket. Includes a hanging rope for easy carrying or hanging and it is ideal as a gift item. Tri-color light and tone alarm. When the result exceeds the standard, the warning light illuminates and a buzzing sound reminds you not to drive. Use scenarios. 1) At home or while traveling to verify if it is safe to drive after drinking. 2) Before going to a party or bar to assess your driving readiness. 3) In an office, car pool, or shared vehicle setting for quick alcohol checks.