Gu65 discharge bulb powerball hci tf 2035w osramthe new discharge bulbs with the newest burner technology powerball hci tf are ideal for very small lamps and all applications by which low wattage and low bulb dimensions are required with a simultaneously high light yield an innovative frame also provides for a stable position of the bulb in the lampcharacteristics high light yield and colour stability despite the smallest dimensions the new twist lock frame gu65 provides for stable p