... : copper+nickel+chrome coatMaterial: stainless ironAccessories: oil cup,user guide,black bag,package box.Add oil quantity ... : pls reference oil cup.oil consumption: 1-1.5ml/hourcatalyst life: about ... it has a light surface,catch only by one hand,good quality and treatment,use for many ... ignition,first must touch catalyst about ten second.One cup of oil can be work about 12 hours ...