4.7W (50W Halogen Equiv) Glass LED GU10 Spotlight Light Bulb in Warm White 3000K. These ultra bright 4.7W (50 watt equivalent - 350 lumen) Energizer Glass (so they look and feel just like a halogen GU10) GU10 low energy saving light bulbs have a protective lens cover so they can be used in the kitchen, bathroom or anywhere in the home or office. These Glass Energizer LED GU10 spotlights produce a crisp warm white (3000K) light (Warm White is yellow light just like that of a standard halogen GU10). Save up to 90% electricity compared with halogen light bulb. Direct replacement of 50W GU10 ...