Experience accurate and convenient alcohol detection with this advanced 4-in-1 Alcohol Tester, designed to combine multiple essential features into one compact device. Crafted from durable ABS material and powered by a built-in 18650 lithium-ion battery (3.7V 3000mAh), this tester ensures reliable use with long battery life. Equipped with an intelligent chip and a highly sensitive sensor, it delivers fast and precise alcohol level measurements within a range of 0-200mg/100ml, making it ideal for various professional and personal applications. Key Features: · **4-in-1 Multifunctional Design:** Combines an alcohol tester, glowing flashing light stick, chamber whistle, and a 1.3-inch curved HD color screen for a comprehensive and user-friendly experience. · **Contact-Free Detection:** Innovative non-contact breath alcohol testing allows for quick and hygienic multiple tests without the need for waiting or mouthpieces. · **High Storage Capacity:** Can store up to 3000 detection records, enabling easy review of previous results directly on the device anytime. · **Glowing Flashing Light Stick:** Integrated flashing light function provides clear visual alerts during alcohol detection, enhancing safety and awareness. · **Powerful Chamber Whistle & HD Display:** Features a loud rear buzzer for audible alerts and a sharp, curved 1.3-inch color screen for clear, at-a-glance reading of measurement data. · **Versatile Application Scenarios:** Perfectly suited for various environments including drunk driving checks, construction inspection, logistics operations, construction sites, coal mines, and more. Specifications: · Material: ABS · Battery Model: 18650 Lithium Ion Battery, 3.7V 3000mAh (Built-in battery) · Measurement Range: 0-200mg/100ml · Display: 1.3-inch Curved HD Color Screen Package Includes: · 1 x Alcohol Tester This multifunctional alcohol tester is designed for accuracy, ease of use, and versatility, making it an essential tool for safety monitoring in multiple industries. Its contact-free technology, extensive record storage, and clear visual and audible alerts provide dependable alcohol level detection wherever it is needed.