The Honeywell 7-Day Programmable Thermostat (RTH7500D) is a rectangular-shaped thermostat with a digital display that runs on battery power. It offers 7-day programmability, allowing users to set different heating and cooling schedules for each day of the week. The model is compatible with universal systems and is manufactured by Honeywell, known for its quality and reliability in the thermostat industry. Overall, this thermostat provides convenient and customizable temperature control for home comfort and energy efficiency.