Features:
Four Button Touchpad UI
Provides One Analog Output for Proportional Control ( 0-10 VDC or 4-20 mA Self Selecting Signal )
Input Signal for Humidity Sensors and Static Pressure Transducers (0-5 VDC)
Ratiometric Pressure Transducers (0.5-4.5 VDC)

Specifications:

Manufacturer: Johnson Controls
Manufacturer Part Number: C450CPN-4
Product Type: Control Module
Control Output: Analog
Input Voltage: 110/120 VAC
External Supply Power: 24VAC
Set Point Range: -40 Degree Fahrenheit to 250 Degree Fahrenheit
Dimension: 4.35" x 11.2" x 4.35"
Weight: 0.89 lb