MR997 Handheld Alcohols Tester Portable High-Precise Alcohols Detector High-Sensitive Electronic Breathalyzer LCD Display This alcohols tester is smartly designed with intelligent chips and high-sensitivity sensors for more accurate measurements. Combined with a C language algorithm and DFFA dual filtering technology to ensure accurate results. The built-in purification bin carries out secondary gasification filtration to effectively eliminate impurities and ensure highly accurate measurements. Upgraded voice broadcasting function, instantly informs the test results, safety warning without delay. Equipped with a large LCD display and three color-indicator lights, the data is displayed intuitively and clearly, making it easy to read at night. It also features a built-in storage function, which can store max 50 historical test records. Suitable for family dinners, company annual meetings, construction sites, bus fleets, and corporate use. Features: Highly Accurate Detection: This device adopts an ASIC chip and intelligent sensor to detect overnight alcohols concentration. Combined with a C language algorithm and DFFA dual filtering technology to ensure accurate results. The built-in purification bin carries out secondary gasification filtration to effectively eliminate impurities and ensure highly accurate measurements. Instant Voice Broadcasting System: Upgraded voice broadcasting function, instantly informs the test results, safety warning without delay, and prevents drinking and driving. LCD Screen & Three-color Indicator Light: Equipped with a large LCD display, the data is displayed intuitively and clearly, making it easy to read at night. A three-color indicator light intuitively reflects the drinking status: green light for safety, yellow light for warning, and red light for danger (DUI). The light status is clear, intuitive, and eye-catching. Long-lasting Endurance & History Record: Powered by 3pcs AAA batteries, this device supports more than 180 cycles, offering long-lasting durability. It also features a built-in storage function, which can store max 50 historical test records. These records are easily accessible, helping to enhance driving safety awareness. Convenient Operation & Wide Applications: Compact and simple, easy to carry, suitable for multi-disciplinary use. Built-in semiconductor gases sensor, blow detection, and replaceable mouthpiece for more hygienic use. It is suitable for family dinners, company annual meetings, construction sites, bus fleets, and corporate use. Specifications: Name: Alcohols Detector Material: ABS Battery: 3 * 1.5V AAA battery (not included) Measuring ranges: 0-200mg/100mL Voltage: 4.5V Current: 120mA Item size: 120 * 56 * 17mm / 4.72 * 2.20 * 0.67in Item weight: 75g / 2.65ounce Package size: 162 * 71 * 33mm / 6.38 * 2.80 * 1.30in Package weight: 90g / 3.17ounce Packing List: 1 * Alcohols Detector