This is the OSRAM HPLbulb. This lamp uses 750 watts and 115 volts it also has a UCF Medium Bipin with Heat Sink technology. This halogen light bulb has a T6 shape with a 4C8 filament. This lamp has a rated life of 300 hours. ManufacturerOSRAM Part Number54602 UPC046135546020 EAN4062172146777 Specs Abbreviation Name HPL750115 UCF Base G9.5 2-Pin w/ Heat Sink Bulb Type Halogen Bulbs Color Rendering Index (CRI) 100 Color Temperature (K) 3265K Diameter (in) 0.741 Filament 4-C8 Lamp Finish Clear Luminous Flux (LM) 21900 Maximum Overall Length (in) 3.822 Rated Life (Hours) 300 Shape T6 Voltage (V) 115V Wattage (W) 750W