K177-2010, Wall mounted (4 in. x 4 in.) double switch box 240v, Variable Speed Motor Control, 10 amps 240V, K177-2010. These controls provide infinite variable speed for shaded pole and PSC motors. Not intended for gear motors. Not to exceed motor amp rating or damage can result. No return on used units, NOTE, blue color of face plate is removable protective plastic coating, actual color is silver. Cross Ref: KBWC-210K