1. High Precision & Quick Results: The alcohol breath tester is equipped with a digital LCD display that delivers accurate results within seconds, ensuring reliability and precision for those who need to measure their alcohol levels quickly and efficiently. 2. Portable Design with High Accuracy: Featuring a portable design and utilizing high-precision semiconductor technology, the alcohol breathalyzer offers the most accurate readings and alerts users when excessive alcohol levels are detected, making it ideal for on-the-go testing. 3. Designed for Personal & Professional Use: The alcoholmeter is specifically designed for both private and professional use, perfect for individuals looking to ensure their own safety or the safety of their family and friends, providing peace of mind in various social situations. 4. Compact and Convenient for Social Events: With its small and practical design, the alcohol detector can easily fit into a handbag or pocket, making it a must-have accessory for weddings, parties, banquets, or any social gathering, allowing you to drink responsibly with confidence. 5. Hygienic with Interchangeable Mouthpieces: The portable breathalyzer features washable and reusable interchangeable mouthpieces, making it convenient for multiple users while promoting hygiene. This allows for easy and responsible testing of your alcohol levels, keeping everyone safe. Colour:black Material:plastic Product size: about 120.00x56.00x17.00mm / 4.72x2.2x0.67inch Package Contents: 1 * Digital Alcohol Tester 5 * Mouthpieces 1 * English instruction manual 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.