The Honeywell ST9400C 7 Day 2 Channel Programmer is a programmable thermostat designed for heating and cooling systems. With its sleek white design and advanced programming capabilities, this device allows users to easily control their home's temperature settings on a daily basis. The 7-day programming feature ensures consistent and efficient climate control, making it a convenient and energy-saving solution for any household. The trusted Honeywell brand and reliable ST9400C model make this thermostat a popular choice for those looking to enhance their heating and cooling systems.