Electric Coffee Bean Roaster Machine for Home Use Small Household Grains Beans Peanuts Nuts Coffee Beans Baking Machine Large-capacity Voltage: 110v, 220v Power: 1200w Capacity: 800g/1.76lbs Temperature: 0-240 ℃ Poduct Weight: 2.8kg Poduct Size: 36x 28.5 x 37.5cm/14.17x 11.22x 14.76inch Stirring Rod: Curved Plate Note: The temperature can be automatically cooled by adjusting the temperature to 0 degrees. Roasting coffee beans will generate smoke. It is recommended to roast in a well-ventilated place, a smoking machine or outdoor. About the chaff: When the beans get the right color , dump the from the cooker into a baking pan, and shake the beans around the pan in a circular motion,blow the chaff away easily(Do this outdoors). Forced Cooling: The last step of baking is to force cooling to sieve out the residual residue. The simplest method is to blow it with an electric fan. At the same time, you can blow away the remaining chaff, Don't let the coffee beans cool down naturally, otherwise it will be very poor to drink.