The CALEX Smart Colour Changing Bulb is a modern, energy-efficient light bulb that can change colours from multicoloured to RGB, with a colour temperature range of 2200 K - 4000 K. Made from plastic and using LED technology, this coloured light bulb has a beam angle of 180° or more, providing a bright and vibrant light output. With a low energy efficiency rating and a long bulb life of 10,000-14,999 hours, this bulb is perfect for indoor use in rooms where a colourful and dynamic lighting effect is desired. Designed by the brand Calex, this smart bulb offers a unique and stylish addition to any home décor.