Despite its palm-sized compact design, this product achieves an astonishing brightness with a high-efficiency LED equivalent to a 100W light bulb. It is equipped with a function to switch the color tone of the light source between soft "Warm (3000K)" and clear "Cool (5000K)". Color: White Lifespan: Approximately 40,000 hours Color Adjustment Function/Brightness ・warm (warm color 3000K) / Approximately 690lm ・cool (white color 5000K) / Approximately 710lm 24 in stock, bulk purchases are welcome. This product is a model exclusively for lighting rails and cannot be installed on a ceiling hook.