Thermostat TT-N-701 features are 4 sq. inch display, Blue backlight, Glow in the dark light button, Easy access battery compartment, Electric or Gas configurable, Separate B & O terminals, Separate heating and cooling swing (cycle rate) adjustments, Room temperature calibration adjustment, 5 minute compressor delay protection (selectable on or off), Simple private label badge system, Easy wire color coded terminal blocks, Universal sub-base, Mounts on wall or junction box, Battery or 24v power and 5 year warranty.