The Tuya 7in1 WiFi Air Quality Monitor is a comprehensive and portable device designed to keep track of indoor air quality. This multi-functional monitor provides real-time data on PM2.5, CO2, TVOC, HCHO, AQI, temperature, and humidity. Here’s an overview of its key features and specifications:

Key Features:

1. Multi-Functional Monitoring:
• Simultaneously tests for PM2.5, CO2, TVOC, HCHO, AQI, temperature, and humidity.
2. Clear Display:
• 2.8-inch TFT color display for easy reading of detection data.
3. Tuya App Connectivity:
• Real-time air quality monitoring and historical data analysis through the Tuya App.
4. Portable Design:
• Small and compact size for easy desk placement and portability.
5. High-Precision Sensors:
• Equipped with high-precision VOC sensors with low power consumption.
6. Temperature & Humidity Detection:
• Real-time detection with automatic data refresh, displays in ℃ and ℉.
7. Air Quality Levels:
• Four levels of air quality indicated by different colors for easy understanding.
8. Calendar & Alarm Clock Functions:
• Includes calendar information and two sets of alarm time settings.
9. Wide Applications:
• Suitable for agricultural planting, warehouses, home interiors, business offices, and material processing.

Connecting the Tuya App:

1. Open the Tuya App on your mobile phone.
2. Select the "Add Device" option within the app.
3. Choose "Sensors" from the device list.
4. Opt for the "CO2 Detector (Wifi+BLE)" option.

Applications:

1. Agricultural Planting: Monitor air quality in greenhouses for optimal growing conditions.
2. Warehouses: Maintain air quality in production and storage environments.
3. Home Interiors: Ensure healthy air quality in living spaces.
4. Business Offices: Monitor and improve air quality in office environments.
5. Material Processing: Track air quality in manufacturing and processing areas.

General Specifications:

• Material: ABS
• Color: Black, White (optional)
• Battery: 1 * 1200mAh lithium battery (included)
• Sensors: VOC sensors
• PM2.5 Measurement Range: 0-9999 µg/m³
• PM2.5 Resolution: 1 µg/m³
• TVOC Measurement Range: 0-3 mg/m³
• TVOC Resolution: 0.001 mg/m³
• CO2 Measurement Range: 400-5000 PPM
• HCHO Measurement Range: 0-3 mg/m³
• Temperature Measurement Range: 0-60℃
• Humidity Measurement Range: 0-99% RH
• Recharging Method: Type-C interface
• Item Size: 90 * 70 * 45 mm
• Shipment Weight: 0.270 kg
• Shipment Dimensions: 12 × 11 × 5 cm

This device is equipped with a small battery, providing functionality during short power outages (up to 3 minutes) until a generator or IPS takes over. For prolonged power outages, it's recommended to shut down the device rather than relying on battery power.

Overall, the Tuya 7in1 WiFi Air Quality Monitor is a versatile and essential tool for maintaining healthy air quality in various environments.