Biro Circle LED pendant light, 75 cm diameter, with switchable ballast The Biro Circle round LED pendant light with a flat, round aluminium lampshade emits direct downward light that is optimally distributed in the room thanks to rotationally symmetrical, deep-wide light distribution and an opal white plastic cover. It is equipped with a switchable ballast. Not only offices or meeting rooms, but also many other commercial areas can be effectively illuminated with this high-quality pendant light from BRUMBERG - general colour rendering index CRI > 80 - service life L70/B50 at 25 °C: 50,000 h, service life L80/B50 at 25 °C: 50,000 h - housing material: aluminium / steel / plastic - permissible ambient temperature (ta): -20 °C - +25 °C - with electronic ballast, switchable, not dimmable