This is a 26W OSRAM G24d-3 CFL light bulb with a 2-pin fitting. It provides a cool white light with a color temperature of 4000K (840). The bulb has an energy efficiency class of A and an estimated lifespan of 10,000 hours, producing 1800 lumens. It measures approximately 172mm in height and 34mm in width. Energy-saving lamps, also known as compact fluorescent lamps (CFLs) or low-energy bulbs, utilize technology similar to fluorescent tubes to achieve comparable light output to traditional incandescent bulbs while consuming significantly less power. They also offer a substantially longer lifespan. The stated wattage for all energy-saving lamps is considerably lower than that of equivalent conventional bulbs, resulting in lower operating costs per hour. This product is available for immediate dispatch with fast delivery.