Feature: 1. High-Precision Sensors: The device is equipped with high-precision sensors that accurately monitor carbon dioxide levels and temperature and humidity conditions in real-time. 2. Wireless Connectivity: With its wireless connectivity feature, this device allows for remote monitoring, providing convenience and efficiency in tracking and managing indoor conditions. 3. Immediate Over-limit Notifications: The device is designed to send immediate notifications when detected levels exceed the set limit, ensuring safety and immediate response to potential risks. 4. Versatile Application: This device is suitable for various settings including factories, warehouses, shopping malls, supermarkets, hospitals, and more, catering to different monitoring needs. 5. Large Capacity Rechargeable Battery: The device comes with a large capacity rechargeable lithium battery, supporting long-term connection to USB power, ensuring uninterrupted operation. Specification: High precision Carbon Dioxide and Temperature Humidity Detector with wireless connection for remote monitoring and over-limit timely notification, suitable for various settings such as factories, warehouses, shopping malls, supermarkets, hospitals. Features: High-Precision Sensors: The device is equipped with high-precision sensors that accurately monitor carbon dioxide levels and temperature and humidity conditions in real-time. Wireless Connectivity: With its wireless connectivity feature, this device allows for remote monitoring, providing convenience and efficiency in tracking and managing indoor conditions. Immediate Over-limit Notifications: The device is designed to send immediate notifications when detected levels exceed the set limit, ensuring safety and immediate response to potential risks. Versatile Application: This device is suitable for various settings including factories, warehouses, shopping malls, supermarkets, hospitals, and more, catering to different monitoring needs. Large Capacity Rechargeable Battery: The device comes with a large capacity rechargeable lithium battery, supporting long-term connection to USB power, ensuring uninterrupted operation. Specifications: Metrics: CO2, Temperature, Humidity Screen: Segmented LCD Wireless Connectivity: Wi-Fi Supported App: Qingping IoT Remote Access: Yes Download Historical Data: With Qingping IoT app/website Standby Time: Approximately 99 days Batteries: 1 2600mAh Lithium Ion batteries required. (included) Screen Size: 61 × 49 cm / 24.02 × 19.29 in Dimensions: 77 × 77 × 28 mm / 3 × 3 × 1.1 in Weight: 129 g / 4.55 oz Package List: 1 x Carbon Dioxide and Temperature Humidity Detector 1 x User Manual 1 x USB Charging Cable Package List: 1 x Carbon Dioxide and Temperature Humidity Detector 1 x User Manual 1 x USB Charging Cable