Feature: 1. Portable Alcohol Tester: Equipped with a large LED display, the alcohol tester provides accurate readings and features a three-level indicator light for easy interpretation of test results. 2. Scientific Impurity Filtration: The alcohol tester is designed to filter impurities and retain alcohol, ensuring that the test results closely reflect bloods alcohol concentration. 3. Reliable Technology: With its intelligent chip and high-sensitivity sensor, the alcohol tester offers accurate detection results and supports voice broadcasting. 4. Contactless Testing: The alcohol tester allows for direct breath sampling, avoiding the risk of bacterials growth in the blow tube and promoting a healthier testing method. 5. Long-lasting Battery: The built-in rechargeable battery consumes minimal power and provides a standby time of up to 110 tests on a single charge. 6. High-Quality Material: Crafted with premium ABS material, this compact and portable device ensures durability and convenience for on-the-go testing. Specification: Color: Black Material: ABS Display: LED Screen Test Ranges: 0-200mg/100ml Input Power: 5V, 1A Battery: Built-in 3.7V, 200mAh Lithium Battery Charging Time: 30min Working Temperature: -5~45℃ Storage Temperature: -20~50℃ Item Size: 92 * 26 * 16mm/ 3.6 * 1.0 * 0.6in Item Weight: 25g/ 0.88oz Package Size: 122 * 82 * 30mm/ 4.8 * 3.2 * 1.2in Package Weight: 56g/ 1.98oz Package List: 1 * Alcohol Tester1 * USB Cable1 * User's Manual