Modern office light source - Mirel evolution LED ceiling light in square form The large, square Mirel evolution LED ceiling light from Zumtobel provides effective, glare-free light. This is achieved with powerful LEDs and a square lens optic. The latter reduces glare without absorbing light. The appearance of the light, which is made of sheet steel, is deliberately restrained - white and square. The light output can be adjusted up to a minimum of 1 % via Dali, DSI and conventional push-button switches. As an additional function, Mirel evolution is equipped with an adjustable emergency light - Dimmable: DALI, DSI, SwitchDim up to a minimum of 1 % - Light output: 100 % downwards (wide beam) - Chromaticity tolerance (initial MacAdam): 3 - Maintenance category: C - Closed reflector at the top