An impressive A++ energy rating, an Edison screw fitting, 7 watts and 1055 lumens, this pair of light bulbs are ideal for brightening up your home. Lasting up to 15,000 hours, saving 85-90% energy compared with incandescent bulbs with zero UV emission. The perfect pack of 2 bulbs for cutting costs on your electricity bill. Pack of 2. 7 watts. Edison screw (ES) fitting. Energy efficient. 1 yr bulb life. Colour rendering index 80 - this is a scale from 0 to 100% indicating how accurate a light source is at rendering colour. The higher the better. Colour temperature 2700K. >0.5 pf. Rated luminous flux 1055 lumens. This is a measure of light and indicates the power of the light emitted. Rated lamp life 15000hrs. Number of switches 100000.