This has been used for many, many years with no issues. It is a typical electric cooktop and is nothing to write home about. It works as designed and has the expected limitations:
1. slow to come to temperature
2. not great at holding a steady temp -- but not that bad either
Manual available at:
https://www.manualslib.com/manual/57809/Ge-168996.html
https://laundry.manualsonline.com/manuals/mfg/ge_appliances/168996.html