... 4 hours 4. SGS, UL, RoHS Feature:Gas stove, Electric cooker combined control Touch-sensitive technology, Touch key no-oil ... gently, there are 9 filesfire can be adjusted in the electric cooker, for gas stove: Ragingfire, large fire, medium fire, small ... cooker main heating loop outputElectric cooker auxiliary heating loop output electric cookers Control boardcustomised in controller with UL&TUV.1. ...