Its not available with a dial dash but controls are simple.
you all failed to notice the oil pre-heater

Its not taxed or moted but it only gets used on private land

you have to do lots of oil and filter changes

190 is not too hot :
this setting is to crisp up chips once they have been fried at the lower 130 150 settings.

Maris piper potato is my recomendation for best results.