Monitor indoor air quality effortlessly with this advanced Air Quality Detector, designed with a built-in 1500mAh rechargeable lithium battery that provides up to 6 hours of continuous use. Crafted from durable ABS material, this compact and portable device features a large, colorful LED digital display with smart backlight technology to protect your eyes while delivering clear and simple readings. Key Features: · Built-in 1500mAh Rechargeable Battery: Ensures long-lasting operation for up to 6 hours on a single charge, providing reliable portable air quality monitoring. · Comprehensive Data Storage via BT App: Supports storage of up to 60 days of data, including 24 groups daily and a total of 1440 groups, allowing you to track five key air quality parameters over time for detailed analysis. · Wide Detection Ranges: Accurately measures CO2 levels from 400 to 6000 PPM with ±50 ±5% PPM accuracy, TVOC from 0 to 2.0 mg/m³, and formaldehyde (HCHO) from 0 to 0.6 mg/m³, offering precise environmental insights. · Color Change Warning System: Intuitive color-coded alerts on the display indicate air quality status—Green (0-800 PPM), Yellow (800-1200 PPM), Orange (1200-1500 PPM), and Red (above 1500 PPM)—for quick assessment at a glance. · User-Friendly Operation: Features a simple one-button control for easy use and a smart backlight that enhances readability while minimizing eye strain. · Strong Anti-Interference Capability: Designed to maintain accurate readings with low power consumption and extended service life, ensuring consistent performance in various environments. · Portable and Compact Design: Measuring approximately 9 x 7 x 3.5 cm and weighing just 217g, this lightweight device is ideal for on-the-go monitoring or continuous use in fixed locations. Specifications: · Item Type: Air Quality Detector · Material: ABS · CO2 Detection Range: 400-6000 PPM ±50 ±5% PPM · TVOC Detection Range: 0-2.0 mg/m³ · HCHO Detection Range: 0-0.6 mg/m³ · Measurement Accuracy: 1 PPM · Temperature Range: -10 to 50℃ · Power Supply: Built-in 18650 Lithium Battery 1500mAh · Product Size: Approx. 9 x 7 x 3.5 cm (3.5 x 2.8 x 1.4 in) · Weight: Approx. 217g (7.7 oz) Package Includes: · 1 x Air Quality Detector This Air Quality Detector is an essential tool for maintaining a healthy living or working environment, providing accurate, real-time monitoring of harmful gases with convenient data storage and easy operation. Its portable design and smart features make it perfect for both personal and professional use.