Neewer&reg;Tri-Color 105 Watt 5500 K (Set of 4) Fluorescent Daylight Balanced Full Spectrum Light Bulb for Photography and Video Lighting(4 Pieces 105 Watt) This Neewer 105W 5600K Flourescent Daylight is use up to 75% less energy and would be a great addition to your studio, which has 4000 hours life 5600k daylight compact fluorescent standard spiral bulbs are an excellent choice for digital camera photography It generates a close match to natural daylight and a crisper view of the items being illuminated Watt:105W Florescent Equivalent to 525 watts of incandescent or tungsten lighting power Colour Temp : 5600k colour temperature, Daylight Balanced Colour