Product Name: Double Enveloped Halogen BulbsPlace of Origin: ChinaFeatures: 1) Wattage: 60, 100W 2) Voltage: 110, 220V 3) Base: E27, E26, aluminum, brass, nickel 4) Life: 3,000 hours 5) Color: clear, frosted, soft white 6) Available types: Halogena, A19, R80, C40 7) Packing: box pack, clamshell pack 8) With halogen burner inside, offering much higher lumens than normal incandescent bulbs of same shape