Save energy and never replace a light bulb again. The Lumina LED bulb is rated for 10,000 hours of use. LED lighting offers 85% of the same brightness as a traditional 50 watt halogen light bulb but with far less electricity. Replaces the 50 watt bulb that comes with Lumina lights. Bulbs fit all Lumina series power spotlights fixtures except the Lumina 200.