NON-PROGRAMMABLE HEAT PUMP/CONVENTIONAL HVAC THERMOSTAT: Designed for 2 heat/1 cool heat pump or 1 heat/1 cool conventional systems with non-programmable operation for simple everyday use LARGE 4 SQ. IN. DISPLAY WITH BLUE BACKLIGHT: Bright screen and glow-in-the-dark button provide clear visibility in dim lighting and easy temperature adjustment BATTERY OR HARDWIRED POWER OPTIONS: Installs using AA batteries or 24V wiring with easy color-coded terminal blocks and a universal sub-base for fast mounting ELECTRIC OR GAS SYSTEM COMPATIBILITY: Fully configurable with adjustable heating and cooling swing rates, second stage settings, and room temperature calibration BUILT-IN HVAC PRO FEATURES: Includes a filter change indicator, 5-minute compressor delay, private label badge system, and is backed by a 5-year warranty for long-term reliability Upgrade everyday temperature control with the PRO1 T721 Heat Pump/Conventional Thermostat. This non-programmable thermostat is designed for 2 heat/1 cool heat pump or 1 heat/1 cool conventional systems. Based on the T700 platform, this model features a 4 sq. in. blue backlit display and a glow-in-the-dark light button, making it easy to adjust settings in low-light environments. Choose between AA battery power or 24V hardwire installation. The color-coded terminal blocks, universal sub-base, and compatibility with both wall and junction box mounting simplify setup. Tailor performance with heating and cooling swing (cycle rate) adjustments including second stage, room temperature calibration, and 5-minute compressor delay protection. The filter change reminder, simple private label badge system, and 5-year limited warranty make this wall thermostat a trusted, long-lasting solution for standard residential applications.