Due to the long life of the UFO LED lamps are used in warehouses, garages, workshops,sports halls, stores ect...
The LED variants provide instant light, making this a big difference from its predecessor.
Also, the bulbs are a lot more economical. Up to 10x more economical. 

The use at ceiling heights higher than 6 meters. Therefore, it is a must to use Ufo LED lamps in workshops, warehouses etc...
The savings are enormous.

What are the major advantages of LED UFO Highbay lamps?

There are many advantages to LED Highbay lights.
One is the long lifespan, which makes these LED alternatives very low maintenance. 
The LED bulbs are also waterproof ( IP65 rating ). The biggest advantage is the sea of light the lamps give. So perfect for areas where a lot of light is needed.