Monitor your indoor environment with precision using this advanced multifunctional Home Air Quality Detector, designed to provide professional-grade air quality analysis through its four high-accuracy sensors. Equipped to measure critical air quality indicators including PM2.5, HCHO (formaldehyde), TVOC (total volatile organic compounds), CO, CO2, as well as temperature and humidity, this device ensures comprehensive real-time monitoring for safer and healthier living spaces. Key Features: · Four Professional Sensors: Deliver fast, accurate detection of multiple air quality parameters such as PM2.5, HCHO, TVOC, CO, CO2, temperature, and humidity for detailed environmental insights. · Real-Time Data Monitoring: Continuously tracks air quality to help you respond quickly to changing conditions and maintain optimal indoor air health. · Large 3.2-Inch Color LCD Display: Offers clear, easy-to-read measurement data simultaneously without the need to switch screens, providing immediate access to all key air quality metrics. · Voice Alarm Prompt: Alerts you with audible warnings when pollutant levels exceed safe thresholds, promoting timely interventions. · Wide Application: Ideal for use in various indoor environments including offices, living rooms, newly furnished homes, kitchens, bedrooms, and classrooms, enhancing air quality awareness wherever you spend time. · User-Friendly Design: Compact and lightweight, the air quality tester is easy to operate and carry, with a modern white finish that blends seamlessly into any setting. Specifications: · Color: White · Screen Size: 3.2 inches · Resolution: 320 x 240 pixels · Working Temperature: 0-50℃ · Working Humidity: ≤90% RH · Measurement Ranges: - HCHO: 0-1.999 mg/m³ - TVOC: 0-9.999 mg/m³ - PM2.5: 0-999 µg/m³ · Standard Values: - HCHO: 0.1 mg/m³ - TVOC: 0.6 mg/m³ - PM2.5 Levels: ≤35 µg/m³ (Excellent), 35-115 µg/m³ (Good), 115-150 µg/m³ (Moderate), >150 µg/m³ (Poor) · Battery: 3.7V, 1500mAh rechargeable battery · Item Size: 172 x 82 x 31 mm (6.8 x 3.2 x 1.2 inches) · Package Size: 240 x 150 x 45 mm (9.4 x 5.9 x 1.8 inches) · Package Weight: 520g (1.1 lbs) Package Includes: · 1 x Air Quality Tester This multifunctional Home Air Quality Detector is the perfect tool to ensure a safe and comfortable indoor environment. By providing clear, simultaneous readings of multiple pollutants and environmental factors, it allows you to take meaningful steps toward improving air quality for you and your family. Its professional sensor array, user-friendly interface, and reliable voice alarm system make it an essential device for anyone concerned with healthy indoor living.