General description Carbon Dioxide (CO2) Detector is designed for real-time and accurate monitoring of CO2 concentration, ambient humidity, and temperature. It features a date and time display, with data updated every 4 seconds. The device is equipped with an independent semiconductor sensor for precise measurements and offers a large color screen with an LED digital display for easy reading. Technical specifications Real-time monitoring of CO2, temperature, and humidity Alarm system activates when CO2 concentration exceeds 1000 ppm Power supply: 3 AA batteries (not included) or USB TYPE-C data cable Battery life: up to half a month Display: large color screen with intelligent backlight Usage The CO2 Detector can be placed in various environments such as schools, offices, bars, restaurants, homes, and cars. Its lightweight design and small size make it easy to carry and use directly with a USB connection.