The square LED lamp with a frame made of black steel and a light surface made of white plastic provides a pleasant, even light distribution and offers energy-efficient ceiling lighting (18.8 watts, 2300 lumens) Before installation, you can use the practical dip switch on the back of the light panel to adjust the light colour individually – whether cosy warm white (2700 Kelvin), neutral white (4000 Kelvin) for clear light, or cool white (6500 Kelvin) for an energising atmosphere This product is an containing product with a light source of energy efficiency class E; containing products are luminaires that can be disassembled for separate inspection of the included light source(s)