GE Lighting 72527 100-Watt 1070/815-Lumen 130-Volt Rough Service A19 Light Bulb 100/89-Watt light bulb Bulb shape: A19, Base: Medium Screw (E26) Rated Life: 2000 and130-Volts/5400 hours and120-Volts 100A/RS/130-PK12 - rugged filament and mount withstand rough handling and shock 1070/815-Lumen output and 100-Watt used, Lumens measure brightness of a light bulb, Watt measure electricity used to create light