Electric Coffee Roaster Gas Burner Nuts Coffee Bean Baking Machine Speed Adjust 110V-220V Specification: Type: Electric Coffee Roaster Voltageļ¼110V-240V Power: 14W Capacity: 600g (small size); 800g (large size) Material: Stainless steel Use: Can be used with gas stove Working time: 4 Hours when fully charged Working mode: Electric /Battery Charging time: 2 Hours Speed regulation: 33 rpm/min (maximum speed can be adjusted) 1 rpm/min (minimum speed can be adjusted) Note: The bean roaster can be used on natural gas and gas stoves. The bottonis automatically cooled when not heating. Roasted coffee beans will producesmoke. It is recommended to roast in a well-ventilated place, a smoke machineor outdoor. Package Included: 1x Electric coffee roaster 1x Stainless steel plate