【Upper and lower heat pipes】The heat conduction is more efficient, the pickling heat transfer efficiency is faster and by improving the heat transfer efficiency, the power consumption is relatively reduced, which is more energy-saving, and the embedded heating pipe is not in direct contact with the air, and has a longer service life . 【Multi-function】This machine can be used not only for roasting coffee beans, but also for roasting other beans,chestnuts, barley, dried fruits, popcorn, etc. It can be used at home, cafes or restaurants. 【1600W High Performance Roasting】Roasting is the soul of coffee beans. It can evaluate the taste, alcohol content and acidity of coffee beans. After roasting, drink a cup of fragrant coffee and feel the aroma of coffee. 【automatic rolling stir-fry】stir-fry, stir-fry, heat evenly, delicious, no fried, no raw taste, heat storage speed increased by 33%, strong heat storage capacity. 【Set temperature and time】100-250℃ adjustable, 30 seconds-90 minutes adjustable, baking time adjustable, choose different raw materials and fry at different temperatures and cooking times to get the right flavor . Make a wider variety of fried foods.