I sent an email to the store from which I ordered it to stop selling this dangerous device! 1) First, 2) they sent me a new one from the service I sent it to, and 3) I sent it back again and a new one arrived... So today, I will send the third one back because 3 out of 3 had a loud bang and that's it! Some fuses also blew in the first one...! Just don't buy it!!!!
I work a lot with fryers and I bought this particular one only for its color, otherwise I had others without fearing it might explode!!!

We have purchased 3, one of them burned a few fuses on the panel, in the end we threw it away with minimal use - when we opened it, the neutral contact was stuck, probably the reset of the main switch did not work properly. Cheap for 4 positions, but you get what you pay for.