Voltage 120, Wattage 250, Base GY5.3, Shape MR16, Life Hours 175, Kelvin 3300, CRI 100, 54928, 250W-120V-MR16, Manufacturer: Osram-Sylvania Midwest - 490874 Insight - ETJ Replacement Light Bulb - 54928 -250W-120V-MR16 - Manufacturer: Osram-Sylvania