VisionPRO 8000 with RedLINK, 18-30 Vac or 750 mV, Up to 3 Heat/2 Cool Heat Pump or Up to 2 Heat/2 Cool Conventional When Used Standalone, Up to 4 Heat/2 Cool Heat Pump or 3 Heat/2 Cool Conventional Whwn used with the Equipment Interface, 40-90 Degree Heat Setting, 50-99 Degree Cool Setting, 7 Day Program or Non Programmable, Auto or Manual Changeover, 40-80 % RH Dehumidification Setting, Heat-Off-Cool-Auto-Em Heat System Switching, Auto-On-Circ-Follow Schedule Fan Switching, Artic White