Brightness Quality: 530, Lumens. Energy Info: 38, Watts. Package Info: 1. Bulb Info: Halogen, Both, Is Dimmable, Is Flood Light. Bulb Life: 1000, Hours. Misc: 38PAR20/QFL/ES. 38 w = 50 w. Save 24% in energy use compared to a 50 watt bulb. Saves energy. Bright white light. Instant full brightness. Dimmable. To save energy costs, find the bulbs with the light output you need, then choose the one with the lowest watts. Energy Saver Halogen: 38 w. ES Halogen helps increase efficiency by increasing the halogen capsule pressure and using a true multi-faceted parabolic reflector inside. Standard Halogen: 50 w. Original technology used to provide light by heating a filament. E means this bulb meets Federal minimum efficiency standards. www.feit.com. Made in China.