Surprised by the directionality of the beam, I find it impossible to find in the data sheet the opening angle of the light bulb is not on the Amazon data sheet or on the packaging. A ride on the Philips website for information to me after some difficulties: 180 degrees: too prescriptive, this bulb is not suitable to replace incandescent in all configurations, it is particularly suitable for ceiling mounted vertically with a conical shade .. . For the same price, Osram, Sebson do no better but does not hide, by cons see the side of Xanlite, designed in France and made in China, the equivalent product has a 240 degree angle with better dimmable electronic and 5-year warranty ... Otherwise, the rest of the datasheet is incomplete but accurate: E27, 9.5 Watts announced, color temperature 2700K (warm white similar to that of incandescent lamps), 806 lumen, dimmable and non-scattering angle of 180 degrees. Attention reflex of major brands including marketing conditioned minds, European small as Sebson Xanlite and make the big picnic, choose Philips is also running the risk of being disappointed ...