In comparison with the incandescent bulbs they replaced these led ones appear to be very well constructed. Their was a slight reduction in light intensity when compared with the previous bulbs but not enough to bother about. In comparison with other led bulbs in my house they emitted a good spread of light much less directional even though they are described as spotlights, I much prefer them. The only problem encountered was that they must be very firmly screwed into their sockets to ensure contact is made otherwise they won't connect with the central temrinal in the socket. Relatively quick delivery and items very well packed. Recommended.