General description This Portable Desktop CO2 Sensor is a professional air quality monitor designed to provide real-time monitoring of carbon dioxide concentration, temperature, and relative humidity. With its clear LCD display, users can easily read the environmental data, making it suitable for various settings such as offices, homes, gyms, restaurants, and sports venues. Technical specifications Real-time monitoring of carbon dioxide concentration Alarm function activates when CO2 concentration exceeds 1000 ppm Long battery life with standby time of 8-12 hours Rechargeable via USB cable Usage This air quality monitor helps users understand their environment by displaying real-time data on carbon dioxide levels, temperature, and humidity. It is ideal for ensuring a healthy atmosphere in various locations.