Low-profile LED ceiling in a slim design with a pleasant backlight that evens out the contrast against the ceiling or wall. Selectable color temperature via DIP switch 3000K or 4000K. Easy-to-install luminaire in IP44 with long service life and high luminous flux, which is delivered complete with built-in phase-dimmable drive device, or control via microwave sensor. Finished screw holes that fit over the ceiling box, two entrances at the bottom, one of which is centered. Cable glands for surface wiring from two sides.