As a fixed LED downlight this product fulfils the role of any other downlight, with the added benefit of complete colour temperature and brightness control. This colour temperature adjustable led downlight is available in both 20 and 30 Watt allows you to further customise the lighting layout. The light emitted for these colour temperature adjustable LED downlights is a dynamic white. This means the light can match any environment or even be changed any time throughout the day and night. These colour temperature adjustable CCT-A led downlights can also be used to synchronise with the circadian rhythm of people in the room. Circadian rhythm is the sleeping and feeding patterns of all animals including humans. We are naturally used to cooler in the day and warm in the evenings, this relates the daylight cycle. The Mission colour temperature adjustable downlights can be set to mimic the effect of natural light, increasing the wellbeing and motivation of all people of the in the area.