Includes 2 changeable control knobs, one ivory and one white to match either color wall plate, (wall plate sold separately). Features electrostatic discharge tested, mechanical air-gap switch to disconnect load power, and RFI suppression. Rated at 120 volt, 60Hz. UL and CSA Listed. 3-SPEED: Controls 1 ceiling paddle fan. Rotate to select 1 of 3 speeds, rotary on/off. 1.5 amp maximum capacity. No derating required if ganged. VARIABLE SPEED: Controls 1 or more ceiling paddle fans, or exhaust fans (do not mix fan types on 1 control). Rotate to select fan speed, rotary on/off. 5 amp maximum capacity.