1. Housing and Motor The roasting drum is made of 304 food grade stainless steel, and the housing allows to increase safety and to prevent corrosion of the machine. You can choose between a manual type and a motor drive type. The powerful and reliable Korean-made SPG motor secures the stability and refinement. Manual handle can be replaced with motor easily. A bimetal thermometer attached on the body allows easy measurement of real-time bean temperature.(Measuring max.300℃) Bearings installed on the bracket that has a same angle with the tilted drum enable quiet roasting. A perforated drum made of two millimeter-thick-stainless steel has two stirring blades inside, and its unique tilted design allows easy and even roasting. 2. Drum A perforated drum made of two millimeter-thick-stainless steel has two stirring blades inside, and its unique tilted design allows easy and even roasting. 3. Options Sampler / Hopper 4. Specification Rated Motor Power: DC24V 3W Power Supply: DC12V 0.8A (Output Voltage) Speed: 55 R.P.M. Material: Stainless Steel Max. Capacity per Batch: 200g (0.44lb) Thermometer: 300℃ (Bimetal Type) Drum Size: 120mm(Diameter) / 140mm(Length) / 2mm(Thickness) Dimension: 260mm(W) x 240mm(D) x 200mm(H) Weight: 2.5kg(5.51lb) Manufacturing & Origin: KALDI Coffee Lab Inc. / Republic of Korea