Thermostat; Type 2-Stage, Microprocessor, Programmable; Voltage Rating 24 Volt AC at 60 Hertz; Power Rating 3 Volt Amp; Temperature Rating 32 to 122 Deg F; Size 2-7/8 Inch Width x 13/16 Inch Depth x 2-7/8 Inch Height; Approval CSA (Canada and US), ICES, FCC; Enclosure Material White PVC Plastic; Includes Relay, Sensor