Philips Halogen Classic 53W, 53 W, E27, A55, 2000 h, 850 lm, 100 Philips Halogen Classic 53W. Bulb power: 53 W, Fitting/cap type: E27, Bulb size: A55, Bulb lifetime: 2000 h, Luminous flux: 850 lm, Color Rendering Index (CRI): 100, Power factor: 1, Dimmable