68% PE / 32% PVC
No, if one bulb burns out, the rest remain lit, so you do not have a limited area not lite, unless if you encounter a light string disconnection
This has 5 sections and the microlights are connected through the pole.
No, it does not come with a timer when to turn on.
None of mine have went out, but it is my understanding that if one burns out the rest stay lit.
No, this has no warranty from the manufacturer.
Constant warm white lights
The diameter is 70 inches.