This pink golfball from Pro-Lite is rated at an energy-saving 1.5W making it an economical retrofit for a standard incandescent bulb. This product is made from polycarbonate meaning it is shatterproof and far more durable than glass. This bulb can be used in any decorative application (both indoor and outdoor use). For example festoon and string lighting party lighting and Christmas lights. A suitable IP rated fitting must be used in outdoor settings.