Leviton 601-6698 I  Dimmer/Dimmer Kit Includes 1 Dimmer Transmitter, 1 Dimmer Receiver -Allows 4 level light control of one fixture from two locations without adding a second wallbox -Dimmer transmitter mounts anywhere-simply screw into wall; remote control signal activates receiver dimmer(Replaces standards switch) -Provides dimming control from two locations. -Ideal for stairwells, hall-ways, detached garages.Anywhere control is desired. -50 Foot operating range - RF signals pass through walls, doors, floors -Screw in attachment