The Honeywell Home RTH20B X2P Single-Stage Programmable Thermostat is a white, rectangular-shaped thermostat designed for wall mounting. It offers a 5-2 day programmable schedule with 4 periods per programmable day, making it easy to adjust your heating and cooling settings for maximum energy efficiency. The thermostat is compatible with Honeywell and universal brands, and comes with mounting hardware included for easy installation. With digital display and temperature sensor technology, this programmable thermostat is a reliable choice for maintaining a comfortable home environment.