100 g per batch. This small coffee roasting machine uses a stainless steel forged polished thick drum that provides stable heat transfer by conduction, radiation and convection for a consistent roast. It can roast coffee beans and also various beans, peanuts, nuts, etc. The roasting drum has an integrated stainless steel pick to fully stir the beans for even roasting, letting you experience the hands on roasting process and enjoy the freshest result. A stainless steel roller with a precise hole pattern vents smoke smoothly during roasting, enabling rapid cooling and easy removal of bean skins. Compact and home friendly. Roasting at home helps reduce coffee costs and lets you tailor the roast to your own taste. Homemade is the best way to enjoy fresh coffee and it makes a great gift. Use scenarios: - At home, daily roasting for yourself or family and friends to enjoy fresh, personalized coffee. - Small tasting sessions or demonstrations to showcase different roast levels and flavors. - Experimenting with blends and home flavors to create a signature coffee profile.