Voltage 21, Wattage 150, Base GX5.3, Shape MR16, Overall Length (mm) 45, Life Hours 40, Kelvin 3350, CRI 100, Filament CC-6, 32831, Quartzline Reflector Manufacturer: GE LightingKinetics Instruments - Sulite II - EJV Replacement Light Bulb - Equipment to Lamp - 32831 - Quartzline Reflector - Manufacturer: GE Lighting