The OMNILUX roundlux is a dimmable 800 W circular arc lamp designed for GX9.5 bases. It operates at 230 V and produces white light at a 3200 K colour temperature, with a luminous flux of 18,500 lm and a CRI of 99.8 Ra. The lamp uses an incandescent halogen light source, has a universal S180 burning position, a 50-hour lamp life and a 0.2-second lead time. Its bi-pin ring-tube construction measures 92 × 10 mm.