Remote Space Electronic Thermostat Sensor; Type Sensor, 2-Wire; Used On T7300/Q7300 Electronic Thermostat, W973/W7100/W960A/W927 Controller; Overall Dimension 3-5/8 Inch Width x 1-5/16 Inch Depth x 4-5/8 Inch Height; Color Beige; Sensitivity 1420 Ohm Nominal at 75 Deg F; Temperature Range 40 to 110 Deg F; Mounting Type Wall or 2 Inch x 4 Inch Vertical Outlet Box