Q Four LED ceiling downlight with aluminium surface-mounted housing The cubic surface-mounted housing of the Q Four LED ceiling light, made of aluminium, has four integrated light emission openings (off-lens technology) to focus the light and reduce glare. The narrow beam makes the modern spotlight ideal for accentuated lighting of specific surfaces or objects. In combination with a separate leading or trailing edge phase dimmer (not included), the Lamp can be dimmed using a conventional wall switch. Nimbus attaches great importance to long-lasting quality made in Germany. Experimental, different, experienced - these are the characteristics on which the company, founded in the 1980s, is based and has been inspiring people with its characteristic design language and trend-setting ideas ever since.