Lutron MRF2-3LD-BL Maestro Wireless 300 Watt Plug-In Lamp Dimmer, Black Controls incandescent/halogen table or floor lamps up to 300W Create a system of up to 10 wireless devices Clear Connect Radio Frequency (RF) Technology provides reliable communication True multi-location dimming setup available when used with other compatible products LEDs show preset light level and glow softly to act as night light