No it is fixed at 370F.
It has safety features like the automatic shutoff after a certain time period.
The CHI GF1001 Ceramic Ionic Flat Iron will work best because it will not overheat and it is also very easy to clean.
The Chi gf1001 ceramic ionic flat iron sells for only $55.95 it adds the comfort of a Chi iron to give you the sleek shiny, straight hair you are searching for.
Unfortunately the Chi only comes in one width. If you need a thicker iron then consider getting one of the sister models that is thicker (but slightly more expensive).