Voltage 120, Wattage 15, Lumens 150, Base E12, Shape S11, Overall Length (mm) 57.15, Life Hours 200, Color CLEAR, Filament C-7A, GE Lighting, Incandescent T S Shape Medical Spot Bausch & Lomb - 71-71-84 Keratometer - 15S11/CL/14 Replacement Light Bulb - Equipment to Lamp - GE Lighting - Incadescent T S Shape Medical Spot