Ensure a healthy and safe indoor environment with this advanced CO2 Detector featuring a high-precision TVOC sensor. Designed to monitor carbon dioxide levels, temperature, and humidity in real time, this compact and portable air quality monitor helps you maintain optimal air quality effortlessly. Its user-friendly intelligent color display provides clear numerical readings, while multiple warning lights alert you to elevated CO2 concentrations to protect your well-being. Key Features: · **Accurate CO2 Detection:** Measures carbon dioxide levels ranging from 400 to 5000 ppm with a high accuracy of ±1 ppm, enabling precise air quality monitoring. · **Real-Time Monitoring & Alerts:** Instantly detects CO2 concentration; when levels exceed 1999 ppm, four warning lights flash simultaneously to alert you. At 1600–1999 ppm, the red warning light flashes accompanied by an audible alarm for early warning. · **Multi-Parameter Detection:** In addition to CO2, this device monitors ambient temperature (0–40℃ with ±1℃ accuracy) and relative humidity (10%–90% RH with ±2% accuracy), providing comprehensive air quality data. · **Intelligent Color Display:** Features a vibrant, easy-to-read screen with clear numbers and color-coded indicators, making it simple to interpret air quality status at a glance. · **Portable & Convenient:** Lightweight and compact design makes it ideal for use in various environments including homes, offices, schools, hospitals, restaurants, shopping malls, factories, hotels, and laboratories. · **Rechargeable Lithium Battery:** Built-in 1200mAh lithium-ion battery supports up to 6 hours of continuous use after approximately 2.5 hours of USB charging at 5V DC, ensuring mobility and ease of use without constant power supply. · **Durable ABS Construction:** Made with sturdy ABS material, ensuring durability and long-lasting performance for everyday use. Specifications: · Item Type: CO2 Detector · Material: ABS · Carbon Dioxide Detection Range: 400–5000 ppm (Accuracy: ±1 ppm) · Temperature Measurement Range: 0–40℃ (Accuracy: ±1℃) · Humidity Measurement Range: 10%–90% RH (Accuracy: ±2% RH) · Battery Capacity: 1200mAh Lithium-ion Battery · Charging Voltage: DC 5V · Charging Time: Approx. 2.5 hours · Normal Use Time: Approx. 6 hours Package Includes: · 1 x CO2 Detector This CO2 Detector with TVOC sensor is the ideal tool to monitor and improve your indoor air quality, offering reliable real-time data to help create a safer, healthier atmosphere wherever you need it.