Wall Module, Networked Sensor, LonWorks Bus Network Jack, 20 K Ohm NTC Non Linear Sensor Type, White in Color, 55-85 Degree Setpoint Temperature Range, 5-95% RH Non Condensing Operating Humidity Range, Mounts on a Standard 2"x4" Junction Box or on a 60mm Diameter Junction Box, Includes Selectable Setpoint Dials in Fahreheit, Celsius and Relative (- to +) and Lon Jacks