Do you have Wheelchairs available

Yes they do have wheelchairs available

yes

From the official universal studios website. "Do you rent strollers and/or wheelchairs? Yes, we do. Strollers and wheelchairs are available for rent just inside the Park, across from the Universal Studios Store."

Yes even electronic

I believe so. Check in at guest services and they can help you

Yes, there are some wheel chairs available, always see a guest or two using one in a visit.

Yes, you can rent those, first come first serve so try to go as early as possible

There were some there but I recommend getting to the park early near opining