Unfortunately, I have tested some other products to no avail. That is why my expectation kept very limited. The more I was surprised and delighted when they finally LED levies's great light. The light color is even brighter than halogen, but yet still quite pleasant. Only the size of the lamps will have to observe, however, is apparent from the description well. My 20-amp power supply I have against an LED driver with 2 Ampere replaced, the time is called power savings! The durability will be seen over time, of course I can not say anything yet.