BTL Stage & Studio Light Bulb - Description: QUARTZLINE SHOWBIZ - Voltage 120 - Wattage 500 - Lumens 11000 - Base P28S - Shape T6 - Overall Length (mm) 133 - Life Hours 500 - Kelvin 3000 - CRI 100 - Color CLEAR - Filament C-13 BTL Stage & Studio Light Bulb