Bonlux Studio Light Bulb 20w LED Daylight Balanced Bulb with 5500k Color Temperature for Photography and Video Studio Lighting 20W Day-Light 5500K LED Studio Light Bulb Perfect for photographic use and home lighting Super energy saving Saves energy up to 80% Regular Screw Base E27, no flicker, no glare, long lifespan Can replace 120W regular fluorescent light bulb, equals to 300W regular incandescent light bulb output