The installation is easy and should be solved very quickly for a non screwdriver, because you have to solve only two screws and the lamp carries are sending.
Technically as optically 1A
The luminosity is many times higher than the standard lights!
In addition, I can after 3 years say they still shine as on the first day and never had a failure!
Strong buy recommendation!
Greeting Nik
(Pictures of me are here)