1. Food grade304S dual layers drum for uniform heating and greater consistency. 2. Omron dual thermometer PID controller for quick and accurate real-time temperature measurement. 3. 4 independent ADDKA motors for drum, exhaust,cooling mixer and cooling fan. can perform roasts simultaneously with cooling. 4. Airflow controlledby adjusting the knob can be increased or decreased during roasting manually. 5. Swedish SKF universal-joint bearing keeps the drum gap in 2mm for 360°even heating. 6. Large independent stirring plate to cool the beans rapidly in 1-2 minutes. continuously roast up to 24 hours. 7. Equipped with RCD protection, fuse&leakage protector, over-heat protection and electric igniter. 8. Germany roasting technology and the best built quality. High-temperature painting housing, hand built and individually tested.
9. USB & Bluetooth logger data with Artisan software.