Heating Source: Fueled by Gas (Liquefied Petroleum Gas/Natural Gas), featuring built-in flameout protection as printed on the panel.Function: Used for uniform roasting and drying of various seeds, nuts, and grains, including peanuts, cashews, sunflower seeds, chestnuts, soybeans, and coffee beans.Material: Constructed with a durable, food-grade stainless steel body for longevity and easy sanitation.Gas Switch: A prominent red rotary knob utilized to ignite and control the gas heat intensity manually.Control Switch: Features green (FWD / Forward) and black (REV / Reverse) buttons to easily control the drum's rotation direction for mixing or discharging.Control Switch: Features green (FWD / Forward) and black (REV / Reverse) buttons to easily control the drum's rotation direction for mixing or discharging.