CO2 Carbon Dioxide Detector, Air Quality Detector, Air Quality Monitor, Home CO2 Monitor with Temperature and Humidity Sensor

Carbon Dioxide Detector: Real-time and accurate monitoring of CO2 concentration, humidity, and ambient temperature, with date and clock display. Data is updated every 4 seconds.

Independent Semiconductor Sensor: Used to measure CO2, temperature, and humidity. Large color screen, LED digital display, intelligent backlight, soft eye protection, intuitive reading, clearer display, 24/7 real-time monitoring.

Long Battery Life: Uses 3 AA batteries (you must provide your own) or the USB TYPE-C data cable interface for power. Battery life can last up to six months.

Automatic Alarm System: When the CO2 concentration exceeds 1000 ppm, an alarm will sound to inform you to maintain a ventilated indoor environment.

Lightweight design: small size, easy to carry and can be used directly by plugging in the USB cable. Can be placed anywhere: schools, offices, bars and restaurants, homes, cars, etc.