The LuxPro universally compatible Everything' Stat® offers highly accurate, fully programmable temperature control of single or multistage heating and cooling systems. The display is a large, hybrid dot-matrix electroluminescent display. It offers 4 periods per day, 7 day programming, and smart recovery. The thermostat arrives with a default ENERGY STAR approved program. It offers almost too many features to list, including: • Control of up to two stages of heat and two stages of cooling plus auxiliary and emergency heat. • Either manual or automatic changeover from the heating to cooling modes. • A 1 to 5 minute adjustable air conditioner compressor delay. • An energy usage monitor. • A change filter monitor. • A programmable IAQ intermittent fan. • Battery-free memory. • A user programmable three digit lock code. • Programmable high and low setting limits. • Menu driven setup from the front panel. This programmable thermostat is suitable for use with most 24 volt heating and air conditioning systems, up to 2 stage heat/2 stage cool oil or gas systems, up to 3 stage heat/2 stage cool heat pump systems, 2 wire hydraulic systems, 2 wire hydraulic air handlers, and millivolt systems. Additional Information: Specification Sheet (pdf) Additional Information: Instruction Manual (pdf) Additional Information: Heat Pump Terminal Cross Reference (pdf)