The spotlight was well received packed. Construction went quickly and well. The adjustment nut for radiator angle setting is wrong. You have to tighten them with the pliers so that the head does not suddenly and unexpectedly changes its position. In operation then you can no longer adjust the burner, because the housing is too hot, see later in this report. There are stops available, so that the head does not point to the bottle or entirely in the sky! The first radiator was immediately replaced as the continuous heating was not working and about 60% went out of spotlights at a low level of himself. Gas lock worked, so that no gas leaked. The second radiator is functioning properly and was immediately delivered before the defective was sent back. Do not be afraid to have broken naturally returned! The radiator needs to be ignited by a match or who dares with the lighter. Piezzo could be better. You have a burning "long" burn matchstick and then start the gas burner. It rumst an infrequent which is normal. So face away and leave no children on it! Thanks. Assonsten regulates the burner in his area well (small flame symbol to large flame symbol). Whether the 4600-3000Watt or not I can not say. It was neat, the sounds are OK, it should be powered sheltered, otherwise there is the possibility of blowing the gas / air mixture. Does the burner receives insufficient mixture with pressure burning. My burner times been "cold" in the rain and immediately grate attached. The aluminum case is still long- after the operation and I mean there 20 minutes and several still too hot to handle. Caution There is a risk of burns because it is believed the torch would be cold but after such a long time, or someone did not know that this was in operation prior to short. I like the Brenner would again buy it. It should be noted the items listed but please, otherwise it can easily give burns.