Display Module Input Voltage 24V AC Overall Height 5 in Overall Width 2 1/2 in Compatible with Series W351 W351P Compatible with Grainger Part Number 20XK85 Compatible with Manufacturer Model Number W351AB-2C Standards CNN XAPX UL Listed Product Type Humidity Module Application Humidity Sensing and Control Pressure Sensing and Control Temperature Sensing and Control Overall Length 2 3/8 in