Surface-mounted and pendant LED luminaire with MPO microprism optics, luminaire power: 37 W, electronic ballast with LED converter, LED service life 100,000 h until a luminous flux drop to 90% of the initial value. Color tolerance (initial MacAdam): 3. Luminaire luminous flux: 4340 lm, luminaire luminous efficacy: 117 lm/W. Color rendering Ra > 90, color temperature 4000 K. Light control via MPO-plus micropyramid structure optics with multi-layer construction for defined coupling with UGR