Domestic Use Carbon Dioxide Detector CO2 Concentration Ambient Temperature And Humidity Tester

Features:
4-in-1 multifunctional carbon dioxide detector, CO2, tempreture, humidity, CO2 alarm function.
When the CO2 concentration up to 1000ppm, the alarm will be louding.
Infrared sensor real-time monitoring carbon dioxide concentration, temperature and humidity.
With clock and record function, improve daily life practical.
High definition digital display large screen, real time monitoring digital change.
Built-in fan to draw in ambient air for more accurate real-time results.
Rechargeable large capacity cell, USB cable, lengthen service time.