First of all, there is the 4 stars because I can not say anything to the life of the bulbs. Otherwise there would have been 5 stars. The price-performance ratio in any case. The lamps are well finished and precisely. They were used by me as a replacement for GU10 halogen lamps. The luminous intensity is, compared to a 50 watt halogen bulb, LED enorm.Die are much brighter. It is a pleasant warm white light. The matt cover the light is well distributed. On these points, a buy rating.