Humidity Control. Touchscreen. Set dual fuel balance points. Connects up to 4 indoor remotes (RZ251W). Connects to outdoor remote (RZ250W) . 7 Day, 5/1/1, or Non-Programmable. Auto Changeover. Easy menu driven programming. Intuitive wake, leave, return, sleep programming. 13 sq. inch display. Blue back-light. Glow in the dark light button. Programmable fan. Glow in the dark light button. Electric or gas configurable. Separate heating and cooling swing (cycle rate) afjustments. Keypad lockout. Heating and cooling set-point limits. 5 minute compressor delay protection (selectable on or off). Filter change indicator (selecatble on or off). Simple private label badge program. Easy wire color coded terminal blocks . Universal sub-base. Mounts on wall of junction box. Battery or 24V power. 5 year warranty.