E means that the product is rated in its category in terms of energy efficiency. The Energy Labeling system is based on EU Regulation 2017/1369/EU. E Philips 8718699665463, 2.2 W, 25 W, E14, 250 lm, 15000 h, Warm white Philips 8718699665463. Bulb power: 2.2 W, Equivalent bulb power: 25 W, Fitting/cap type: E14, Luminous flux: 250 lm, Bulb lifetime: 15000 h, Light colour: Warm white, Colour temperature: 2700 K, Color Rendering Index (CRI): 80, Power factor: 0.41