Temperature measurement range:-40°C to 125°C （external sensor）
Temperature measurement accuracy: ±0.3°C @ 25°C
Temperature display resolution: 0.1°C
Humidity measurement range: 0 to 100%RH
Humidity measurement accuracy: ±2% RH @ 25°C
Humidity display resolution: 0.1% RH
Operate/Storage temperature:-40 to 105°C (external sensor)
Selectable measure Interval:1 second to 24 hours
Record 21,000 temperature and humidity counts simultaneously
LCD display indication
Battery: 3V,AAA x 2

external sensor
-Humidity Range:0 to 100%RH
-Log memory:21,000 T/H counts simultaneously -Dual Control: Manual Setting or through PC
-LCD Display: Temperature, Humidity,
 Threshold Alert, Settings,Clock
-Data analysis: PC download for archive and
 analyses, Dew Point indication
-Battery:(non-lithium)AAA battery,