Concept 101L Cordless Remote Control LED Picture Light- 11 1/2 inch Polished Brass The ultimate picture light-cordless, bright, dimmable and remote controlled. Advanced solid state circuit using PWM (Pulse Width Modulation) technology to provide over 100 hours of life (on brightest setting!) Lamp uses 4 "D" batteries, remote control uses 2 "AA" batteries (not included) Superior Quality "Warm White" SMD LED's included to provide warm color rendition and even light distribution Universal remote-one remote controls multiple lights