Thanks for choosing our company's grilling and roasting machine.In order tomake sure you of using this machine in the right way,Plz read this manual carefully,especially the first part"Security Precautions".For you can review this manual at anytime,we strongly advise you keeping this manual well.All the contents in this manual is for reference only,the product matters most.Maintaining:1keep it cool and dry.Avoid sun exposure.2pput in on the place out of child's reach.if you donot need it fo a long time,plz clean it thoroughly and seal the box to keep it.