Voltage 12 Wattage 100 Base G5.3-4.8 Shape MR11 Overall Length (mm) 37 Life Hours 25 Kelvin 3400 Filament C-6 1000921-JCR/M-0100 Manufacturer: Ushio Den-Mat - Ceri-Lite 3691 - JCR/M12-100W Replacement Light Bulb - Equipment to Lamp - 1000921-JCR/M-0100 - Manufacturer: Ushio