Gy4 20w 12v or 24v halospot 48 osramthe reflector allows for an even distribution of light the bulbs are equipped with a handle to limit the glare and for simple handling uv reducing glass is used for the installed bulb through this the strictest uv thresholds according to iec 60432 are complied with and the uv caused bleaching effect is reduced by up to 80 12v versions in low pressure technology through this a free burning operation without a protective cover is possible according