This durable polycarbonate 0.5W LED golf ball has a very low power consumption is highly efficient and fades through a number of colours. The internal clock means when powered on at the same time multiples will fade through colours together. This LED lamp is a direct replacement to the old style incandescent golf ball light bulb with the added benefit of being shatterproof!Its polycarbonate envelope virtually eliminates the chance of breakage during transport installation and storage making it ideal for many applications.