Technical Details Intensity 1,40,000 Lux Size of Light Field 12-30 cm Spot Diameter 600 x 600mm Battery backup Optional (Not Included in package) Color Temp. 4000-5000 K Color Rendering Index 93 Ra Focusing Adjustable LED Average life >50000 Hrs. Numbers of LEDs 84 (Yellow + White) See Product Pictures for better understanding. Power Supply 110V/220V 50Hz,60Hz AC