The Four Seasons 35720 System Mounted Preset Cycling Temperature Switch is a durable steel switch designed for controlling the temperature in your car or truck's HVAC system. Made in Mexico, this metal switch is compact with dimensions of 2.000" in height, 3.500" in length, and 2.800" in width, making it easy to install and use. With a manufacturer part number of 35720 and various interchange part numbers available, this product is a reliable choice for regulating the temperature in your vehicle's interior.