Biro Circle Ring LED pendant light, Ø 75 cm, height 10 cm, downward light distribution, DALI Biro Circle Ring is an LED pendant light with a ring-shaped aluminium lampshade that is particularly suitable for offices or meeting rooms and is equipped with a DALI dimmable ballast. The LEDs installed all around the ring emit their light downwards through the opal white plastic cover with rotationally symmetrical, deep-wide light distribution. Discreet suspension directly from the ceiling using fine steel cables gives the lampshade an almost floating appearance - general colour rendering index CRI > 80 - service life L70/B50 at 25 °C: 276,000 h, service life L80/B20 at 25 °C: 153,000 h, service life L80/B50 at 25 °C: 153,000 h - housing material: aluminium / steel / plastic - permissible ambient temperature (ta): -20 °C - +25 °C - with electronic ballast, DALI dimmable