COLORselect\": 3 light colors in one luminaire. For every application environmentthe right light color can be set:Warm white 3,000 K: Hotel, store, wellness/spa areas, home & living.Neutral white 4,000 K: Office, gastronomy, industry, sanitary, retirement homes and hospitalsDaylight white 5,700 K: Industry, conference rooms, educational institutions, office\"HCL READY\": This article is suitable for use as HCL (Human Centric Lighting)Lighting (additional components are required). Human Centric Lighting is the most naturalform of artificial light, because it replicates the sun's course of the day.By adapting the lighting to the human biorhythm, well-being and performance can be increased.well-being and performance can be increased.Stable light output thanks to oversized die-cast aluminum heat sinkand SAMSUNG®, LED (LM80 certified) on aluminum core boardNatural color perception thanks to extra high CRI valueFast exchange of power supplies due to lockable connectorHigh compatibility with various LED power suppliesSturdy mounting brackets ensure a secure holdExtra flat design allows use even in difficult mounting locationsThis light can be upgraded for use as emergency lighting.(The battery kit accessories are required)