FDA Tungsten Halogen Double Ended Stage & Studio Light Bulb - Description: Tungsten Halogen Double Ended - Voltage 120 - Wattage 400 - Lumens 10400 - Base R7S - Shape T4 - Overall Length (mm) 74 - Life Hours 250 - Kelvin 3200 - CRI 100 - Color CLEAR - Filament CC-8 FDA Tungsten Halogen Double Ended Stage & Studio Light Bulb