DIENMERN DM89 Carbon Dioxide Detector CO2 Concentration Ambient Temperature And Humidity Tester

• 4-in-1 multifunctional carbon dioxide detector, CO2, temperature, 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

Specifications:

• Material: ABS

• Detection Range: CO2 400-5000ppm

• CO2 Technology: Infrared (NDIR)

• Carbon Dioxide Exceeds The Alarm Value: 1000ppm

• Battery: Built-In Lithium Cell, 1600mAh (included)