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 8718699780395, 14 W, 100 W, R7s, 1800 lm, 15000 h, Cool white Philips 8718699780395. Bulb power: 14 W, Equivalent bulb power: 100 W, Fitting/cap type: R7s, Luminous flux: 1800 lm, Bulb lifetime: 15000 h, Light colour: Cool white, Colour temperature: 4000 K, Color Rendering Index (CRI): 80, Power factor: 0.8