From V-Tac a 6W slim square LED panel that will over a 20000 hour lamp life provide a cool white colour temperature of 4000K. Quick and easy to install these panels are energy efficiency rated A helping to save up to 80% more energy than what a comparable incandescent lamp would use. Product Dimensions are Height 90mm x Width 90mm x Depth 24mm. 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. 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.