House Of Troy WS-706 16-1/2-Inch Swing Arm Wall Lamp, Polished Brass with Off-White Softback Shade Adjustable, hinged neck allows for multiple lighting options Uses one 100 watt 3-way incandescent bulb Convenient 3-way switch on lamp socket UL listed in the USA and Canada CA Title 20 Compliant when used with CFL bulb