Manfrotto MLS1X1F Spectra 1x1 Flood Type LED Panel Best in class color rendition (CRI&gt;90) Smooth dimming 0-100% without flickering and color shift Daylight balanced LEDs at 5600K Light Output: 1400lux@1m with a beam angle of 50 Powered by 6xAA alkaline or lithium batteries or via optional mains adapter