* Model No.: STN3021
* Programmability: Non Programmable
* Temperature Range (˚F): 32˚F-99˚F (1°C-40°C)
* Control Temp.Range (˚F): 44˚F-90˚F (7°C-32°C)
* Temp.Meas.Accuracy: ±1°C (at 20°C)
* Power Source: DC 2 x AAA 1.5V Alkaline batteries
24VAC (18~30VAC), 50/60 Hz for hardwire (common wire)