Smart CO₂ meter | with Wi-Fi, temperature and humidity measurement | Tuya Smart | rechargeable battery + USB Type-C

Technical specifications

Model: LY-1780
Material: PC plastic
Style: Modern
Country of origin: China
Power supply: USB 5V (Type-C); Rechargeable lithium battery
Wireless connection: Wi-Fi, maximum range up to 50 m (open area)
CO₂: 400–10,000 ppm (±5%)
Temperature: –20 °C to +60 °C (±2 °C)
Humidity: 0–100 %RH (±5 %RH)
Alarms: Low battery alert; Poor air quality (high CO₂ level) alert
Operating temperature: –10 °C to +50 °C
Operating humidity: up to 95 %RH

Functions

Continuous real-time air quality monitoring
Mobile app notifications
Audible alerts in critical situations
Data viewing and analysis via the app
Suitable for Smart Home integration

Applications

Household use: Helps maintain a healthy indoor microclimate, especially useful in bedrooms, children’s rooms, kitchens; alerts when ventilation is required
Offices and public spaces: Improves employee productivity and well-being; suitable for meeting rooms, classrooms, hotel rooms
Electricians / installers: Quick-to-install air quality monitoring solution; suitable as an additional smart automation element; convenient for temporary or permanent monitoring
Engineers / designers: Simple CO₂ monitoring solution; integration into smart building systems; useful for HVAC efficiency analysis

Pros

3-in-1: CO₂, temperature, and humidity measurement
Smart control via mobile phone
Rechargeable battery + USB Type-C
Audible and app notifications
Modern, versatile design
Suitable for both household and professional use

Cons

Not suitable for outdoor use
Wi-Fi connection required for full functionality
No direct relay or control output