【Advanced Sensor Technology】Utilizes advanced electrochemical sensors to filter impurities and provide accurate, reliable readings of alcohol concentration within seconds. 【Compact Design】Features an innovative foldable mouthpiece design, minimizing space usage for easy storage and portability, perfect for testing anytime, anywhere. 【Multiple Testing Modes】Offers precise and quick screening modes, including non-contact hygienic testing, suitable for multiple users in various social or professional settings. 【Portable and Lightweight】Compact and lightweight electronic alcohol tester easily fits in your pocket or bag for convenient carry. 【Durable Construction】Made of sturdy ABS material, this breathalyzer is drop-resistant and dust-proof, equipped with a long-lasting graphene battery and Type-C fast charging for reliable performance and quick readiness. 【Multilingual Voice Prompts】Supports voice announcements in Chinese, English, Russian, Japanese, and German for user-friendly operation across different regions. Specifications: Material: ABS Size: 70*45*17mm Measurement object: Breath alcohol concentration Detection method: Electrochemical gas sensor Operation temperature range: -5℃～45℃ Storage temperature range: -20℃~50℃ Battery: Built-in lithium battery (300mAh) Voice broadcast (language): Chinese/English/Russian/Japanese/German