CO2 Detector Monitor, CO2 Carbon Dioxide Air Quality Sensor, Temperature and Humidity Detector (White) 963cm

TVOC Sensor: This CO2 detector is equipped with a TVOC sensor to monitor CO2 concentration, temperature, and humidity to maintain a healthy environment. We recommend using a USB charger. Real-Time Monitoring and Automatic Alarm: This CO2 monitor can monitor CO2 concentration in the air up to 1999 µg in real time. Four warning lights flash simultaneously to trigger an alarm. Brightness: The CO2 sensor features a smart color display with clear numbers. Wide application: This portable, compact CO2 monitor is suitable for monitoring air quality in homes, schools, office buildings, hospitals, restaurants, shopping malls, factories, hotels, laboratories, and other locations. Why use it: This air quality monitor makes an ideal Valentine's Day gift, as it allows you to accurately understand your environment and make improvements based on actual conditions. Note: Data is measured manually; please allow for a 1-3 cm margin of error. Color differences may occur due to lighting and screen variations. Please refer to the actual product received.