A3 CO2 Meter Indoor Smart Air Quality Monitor Carbon Dioxide Detector Alarm Humidity Temperature Meter NDIR Channel Sensor with LCD Screen

• The large LCD screen with NDIR (Non-dispersive Infrared) is a new type of infrared sensor, which works quickly and stably
• Temperature and humidity detection, intelligent alarm system, gas recognition algorithm, multiple anti-interference, air convection technology, and greenhouse compensation calibrations
• Real-time monitoring, sensor measurement. Range: CO2 (400-5000ppm, 50+5ppm), temperature (-40-85C 0.1C), humidity (0-99% 5%)
• CO2 warning alarm. 2 alarm modes. Different air quality concentration indicators have different colors and different buzzer alarm durations. During the alarm period, press any key to cancel the alarm
• Two ways of use, wall-mounted or desktop design. You can install it on a bracket or on a wall, with mounting holes on the back
• Suitable for schools, greenhouses, office buildings, factories, hotels, transportation lines, etc.

Specifications:

• Material: ABS
• Dimensions: 195 x 80 x 35mm/7.68 x 3.15 x 1.38in
• Power supply: USB or 3 AA batteries (not included)