The Leviton 3AY52 1689-50 Fan Switch is a 4-position pull chain switch designed for controlling the speed of a fan. Made by the reputable brand Leviton, this switch is a reliable and durable option for your home or office. With a simple design and easy-to-use pull chain mechanism, this switch allows you to adjust the fan speed to your desired setting with ease. Whether you need to cool down a room or create a more comfortable environment, this fan switch is a practical and efficient choice.