LimoStudio Full Spectrum Light Bulb 4 35W Photography Photo CFL, daylight balanced pure white light, AGG122 4 x LimoStudio Daylight Balanced Pur White 35 Watt 6500K Light Studio Bulb - Output Wattage: equals to 140W/each incandescent light bulb - Energy Saving (up to 80%), Regular Screw Base - Long Life: 8,000 hrs - Size: 2.5" diameter, 7" length