Controller, Field, 24 VAC, 50 To 60 Hz, 12 VA Min, Half Wave Rectified, 16 Bit Universal Inputs, 10k Thermistor, VAV Single-Duct Bacnet, w/ Filter, 500 mA, Screw Mounting, -17 To 70 C, 4.9 x 5 x 1.4 Inch (HxWxD)