This 5 in 1 Air Quality Monitors of CO2, TVOC temperature, and humidity, ensuring you stay inform about your 's air quality. This air quality detector features a rechargeable battery with over 5 hours of use per charging. Suitable for health individuals and family, this device help Monitors indoor air quality to maintain a safe and comfortable living space. Perfect for use in bedrooms or any indoor area where air quality is a concern, providing comprehensive capabilities. Package includes: 1Pc Air Quality Monitors