LED reflector lamps replace standard 12V halogen lamps. The power consumption is only about one eighth. The life expectancy is 20000 h - 50000 h, much longer than at halogen lamps. LED lamps are instantly bright and the light is convinient. LED bulbs produce very little heat, no UV and IR radiation. and contain no harmful substances, such as mercury or halogen. For operation is a magnetic 12V halogen transformer required or a LED 12V driver. Electronic transformers are not allowed.