Enthalpy Sensor Type Solid State Output Current 4 to 20 Milliamp Minimum Output Current Rating 4 Milliamp Maximum Output Current Rating 20 Milliamp Accuracy +/-5 Percent Operating Humidity Range 11 to 89 Percent RH Operating Temperature -40 to 150 Deg F Size 2.17 Inch Width x 0.81 Inch Depth x 4.25 Inch Height Application Commercial, Outdoor Approval UL Color Gray