The BROAN 66 3 Function Control Switch is a vintage, new old stock (NOS) unit that is no longer in production (NLA). This rectangular switch is designed for controlling a bathroom exhaust fan, with a gold color and a voltage of 120 V. With a single speed setting, this unit is ideal for improving indoor air quality and ventilation in a bathroom setting. The Broan brand is known for quality home improvement products, making this switch a reliable choice for your bathroom ventilation needs.