Ensure responsible driving with our high-accuracy Breath Alcohol Tester, equipped with advanced semiconductor alcohol sensors for precise blood alcohol content (BAC) monitoring. Designed for ease of use and reliability, this compact device delivers quick and accurate results to help you stay safe and compliant. Key Features: · High-Precision Semiconductor Sensor: Provides accurate detection of alcohol levels to help you make informed decisions before driving. · Wide Measurement Range: Measures alcohol concentration from 0.00 to 0.19% BAC and 0.00 to 0.99 mg/l, with a maximum reading cap at 0.19% BAC to prevent false high results. · Simple Operation: Power on the tester, wait 10 seconds for preheating, then blow evenly for 3 to 5 seconds. The LCD screen displays results clearly for 5 seconds. · Automatic and Manual Shutdown: Automatically powers off 30 seconds after displaying results to conserve battery, with an option for manual shutdown by holding the button for 0.5 seconds. · Portable and Durable Design: Made from sturdy PC material and powered by a built-in 140mAh lithium-ion battery with DC 5V charging for convenient use anytime, anywhere. · Usage Recommendations: For optimal accuracy, avoid drinking for 20 minutes before testing and maintain a 2 to 3 minute interval between tests. Specifications: · Item Type: Breath Alcohol Tester · Model: TS 21 · Material: PC · Charging Voltage: DC 5V · Power Supply: Built-in 140mAh Lithium-ion Battery · Test Range: 0.00 to 0.19% BAC / 0.00 to 0.99 mg/l Package Includes: · 1 x Breath Alcohol Tester This Breath Alcohol Tester is an essential tool for anyone who values safety and precision. Its high accuracy, user-friendly interface, and portable design make it ideal for personal use to ensure responsible alcohol consumption and safe driving.