Fast delivery of the supplier. Light output of the radiator super, the lumens are however in 3500, tested as Hofraumbeleuchtung for a 250 Watt halogen lamp, super result, and in a special element in the endurance test of two weeks with a Umgabungstemeratur of about 35 ° C. results very satisfactory, no failure by the high ambient temperature, no falling of the light output.