FTB Stage & Studio Light Bulb - Description: HALOGEN BULB - MR11 - MIRRORED REFLECTOR - Voltage 12 - Wattage 20 - Base GZ4 - Shape MR11 - Overall Length (mm) 39.5 - Life Hours 2000 - Spread 10 - Kelvin 2900 - Filament C-6 FTB Stage & Studio Light Bulb