Breath-based personal alcohol tester: This is a non-contact breath alcohol tester that does not require a mouthpiece, making it more hygienic and healthy. It is recyclable and environmentally friendly. The alcohol tester is made of ABS material, ensuring absolute safety. Ultra-precise personal alcohol tester: Equipped with high-sensitivity sensor smart chips and high-sensitivity sensors, it is stable and resistant to interference. It accurately measures detection values, ensuring precise detection in a short time. USB-Charging Breathalyzer: This portable breathalyzer uses USB Type-C charging, with a built-in 240mAh battery that can be directly connected to USB adapters, phone batteries, car chargers, computers, and other devices. Compact and Portable: The device is compact, lightweight, and easy to carry, with a convenient storage compartment that can be placed anywhere in the vehicle. It is suitable for various occasions such as outdoor activities, weddings, parties, and bars. Color: Black / White Material: ABS Package Contents: 1 * Breathalyzer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.