Satco S2240 39 Watt (50 Watt) 530 Lumens PAR30 Long Neck Halogen Narrow Flood 34 Degrees Clear Light Bulb, Dimmable Halogen/Xenon technology for enhanced performance Silver coated reflectors for higher lumen output using less wattage Environmentally friendly; up to 30% energy savings over traditional Halogen lamps Fully dimmable and mercury free Same look and feel as the products they replace