Voltage 120, Wattage 15, Lumens 150, Base E12, Shape S11, Overall Length (mm) 57.15, Life Hours 200, Color CLEAR, Filament C-7A, 13236, INCANDESCENT S SHAPE MEDICAL SPOT, Manufacturer: GE Lighting Reichert/American Optical - 717184 Keratometer - 15S11/CL/14 Replacement Light Bulb - Equipment to Lamp - 13236 - INCANDESCENT S SHAPE MEDICAL SPOT - Manufacturer: GE Lighting