Manfrotto Spectra 500 Flood LED Fixture, 5000K Color Temperature, 55.0deg. Beam Angle Smooth dimming without flickering and color shift Daylight balanced LEDs at 5000K Best in class color rendition (CRI&gt;90) Powered by 6xAA alkaline or lithium batteries or via optional mains adapter Powered by 6xAA alkaline or lithium batteries or via optional mains adapter