Features a 4 square inch display with blue backlight and glow in the dark light button. The thermostat has an easy access battery compartment, is electric or gas configurable and has separate B & O terminals. A separate heating and cooling swing (cycle rate) adjustments with room temperature calibration adjustment. There is a 5-minute compressor delay protection (selectable on or off) and easy wire color coded terminal blocks with a universal sub-base. This thermostat mounts on wall or a junction box.