If you follow the instructions
If you follow the instructions which are easy to understand you can’t go wrong. A few simple tools most have, easy to install, terrific engineering.
I would recommend using a 3D laser level and plumb-bob, they were a great aid for lining up the install points on the assembled light fixture to the ceiling and cost about $60.
The light is awesome, the edges of the balls are clearly visible down table now that shadowing is eliminated. I live on the west coast of Canada, delivery took 8 days.