Data Logger,Wireless Interface
4 Degrees F, Time Intervals 1 min to 12 hr, Software Required Free App, Interface Wireless, Calibration Certificate NIST with Data, Includes (2) AAA Batteries Data Logger, Temperature, Temp..Range (F) -130 Degrees to 212 Degrees F, Dew Point Range -130 Degrees to 212 Degrees F, Voltage Range 3 V, Accuracy +/-0.