Ecobee

Black (Front), White (Side and Back)

3.5 Volt Amp

4 Inch Length x 4 Inch Width x 0.8 Inch Depth

32 to 130 Deg F (Operating), 45 to 92 Deg F (Desired), 40 to 100 Deg F (Display), +/-1 Deg F (Sensitivity)

24 Volt AC