The RPS Studio CoolLED 100W Studio Light with Reflector is equivalent to 1000 watts of incandescent light. It is best light for the professional, studio-quality, consistent light. Being an LED source. this light is very power efficient and consumes only 100 watts of electricity. The bulb is rated for 50,000 hours of use. Use the included slip-on diffuser over the reflector for softer, more evenly distributed light.