Includes 2 changeable control knobs, one ivory and one white to match either color wallplate, (wallplate sold separately). 3-speed control is for use with one ceiling paddle fan. Rotate to select one of three fan speeds - low, medium or high or rotary on/off. Variable speed control can be used with 1 or more ceiling paddle fans or exhaust fans (do not mix fan types on control). Rotate to select fan speed, rotary on/off.