Accurate and Reliable: With advanced sensor technology, this personal breathalyzer delivers accurate and reliable results, ensuring you have a clear understanding of your alcohol consumption and helping you make responsible decisions. Digital and Memory Function: The digital display provides clear and easy-to-read results, while the memory function that can store up to 50 historical records. This feature is very useful for long-term monitoring of your alcohol intake or professional use. Three color detection indicator lights, the detection results are clear at a glance. Built-in lithium battery, TYPE-C interface charging, ensuring it is available at any time. Portable and Convenient: Designed for on-the-go use, compact and , making it easy to carry with you wherever you go. It's perfect for home parties, ensuring the safety and well-being of you and your guests. Simple to Use: With an intuitive interface and one-button operation. Blow into the device and wait for the results to appear on the digital display. It's quick, hassle-free, and suitable for everyone to use. Color:Black Material:plastic Package Contents: 1 * Portable breath alcohol tester 1 * USB charging cable(The color of USB cable is random, and the designation is not accepted) 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.