￭Large LCD  display and log C02 Level,Temperature, Humidity, Data & Time

￭32000 data logger

￭WARNING CARBON DIOXIDE LEVEL! 

￭Back light 

 ￭Carbon Dioxide(CO2)

￭Range: 0~9999 Accuracy  ±50ppm OR ±5%reading(0~2000)

￭Response time:  10sec

￭Temperature Range:    -10.0~70.0°C(14~158°F)

￭Resolution:     0.1°C/°F

￭Accuracy: ±0.6°C/±0.9°F(0~50°C/32~122°F),others±1.2°C

￭Humidity ￭Range:    0.1~99.9%

￭Resolution:    0.1%

￭Accuracy:   ±3%(10~90%)

￭Power Supply:    4 X 2A ALKALINE BATTERY OR USB POWER