This 36 Watt ultra bright V-Tac LED UFO lamp is a great solution for lighting a large space while ensuring ample light levels. Producing a crisp and inviting 4000K output this cool glowing lamp is a great solution for those who have reduced vision or for lighting large rooms. The Samsung technology used to manufacture the LED chips ensures that the product lasts for years with it's 5 year warranty period. Please note that the true colour output of lighting products should be based only on the Kelvin rating. The descriptors warm white cool white daylight etc are used only as guides to describe the colour of the light and can vary between brands.