Biro Circle Ring LED pendant light, Ø 75 cm, up/down 30/70, switchable The LEDs in the Biro Circle Ring pendant light emit 70% of their light downwards and 30% upwards through the opal white covers. The ring-shaped lampshade is made of aluminium and is suspended directly from the ceiling on fine steel cables without a canopy, so that it appears to float in the room. The pendant light is equipped with a switchable, non-dimmable electronic ballast. It is not only suitable for offices and conference rooms, but can also be used to illuminate many other commercial areas uniformly, effectively and brightly - Light distribution 70 % direct, 30 % indirect - With rotationally symmetrical, wide-angle light distribution - General colour rendering index CRI > 80 - Lifetime L70/B50 at 25 °C: 276.000 h, service life L80/B20 at 25 °C: 153,000 h - housing material: aluminium / steel / plastic - permissible ambient temperature (ta): -20 °C - +25 °C - with electronic ballast, switchable