Warm White? Are you kidding me? Are you serious when you say that! - Krass bright, but good lighting.

/// In brief:
This LED is not warm white, as advertised, but almost cold frosty white. The invoice is for an identical product. as Article designation. Interestingly, "GU10 FROSTED 15" issued ...
For sure the luminous intensity and the wide flash coverage. A 40W halogen lamp can thus be easy replaced.
For me, because of the light color unsuitable and therefore returned.

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/// Detailed Test
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/// Tested products:
I bought a total of 4 different LED lamps for comparison:
5W 380lm sebson 110 ° (this one); Price: 7,99
5W 400lm MAILUX 120 °; Price: 8,99
plus 2 LEDs of "LEDs Change The World" (hereinafter LCTW):
SPOT LED 5W 250lm 33 ° white or silver aluminum housing; Price: 6.95

/// Purpose / test environment:
There should be a space to be illuminated with about 18 m² of floor space. (Here previously ranged from 3x 35W halogen lamps.)
Special emphasis I put on a warm white color, at best, with a slight yellow tinge. Will be the less LEDs's needs, the better - for reasons of cost, the illumination but also played a role.

/// Result:
For light comparison I made a few pictures with my digi-cam. An overview image can be found here (just the link in the browser address bar to copy):
> Http://s14.directupload.net/file/d/3470/rs6gib6s_png.htm
///// Illumination:
The LEDs of sebson and MAILUX are completely identical to that of the light-emitting properties ago that 20lm or 10 ° difference I could not perceive.
However, the two LEDs is clearly distinguishable from the two LCTWs. How can the technical data suggests, at the LCTWs the brightness and the illumination angle is much weaker. This is also the "photographic evidence" clearly visible.
For my room 2 SEBSONs would be enough of the LCTWs I would need at least 4, 5 actually lights.

///// Display color:
The light color is bitterly disappointing at sebson and MAILUX! Although I have a very long time explicitly tried here on Amazon in advance in LED jungle to pay attention to this feature, and some comments from the report completely contrary here, the color is not even close to "warm", but cold to chilly. The picture below left (with lightning) comes pretty close to the actual color zoom ...
Better it looks with the LEDs of LCTW. Here you can on the image above are based on the right (without flash) ...
I almost get the impression that it seemingly strong parallels between color and luminosity are with LEDs, along the lines of: "Larger luminosity = colder hue".

/// Conclusion and Recommendation:
I decided rather quickly for LCTWs. The hue of sebson and MAILUX was unacceptable to me. Outdoor games and for special rooms (laboratory ...) these two may perhaps be more appropriate, but something I can not get into the living quarters. Assuming you have enough slots, the "small" LCTWs are really the optimal solution. In fact, the light might still be a little warmer - but that is the market / the prior art, probably not her ...