Features: -Capacity: 100gms coffee beans -Powerful air roasting technology -Tempered glass roasting pot -Temperature and fan speed control knobs -Timer function with digital display -Lockable top cover with coffee bean skin collector Accessories: Measuring cup, cleaning brush'' ''Saachi Air Coffee Roaster, the coffee beans float on a bed of hot air inside of the roasting chamber, keeping the beans at a consistent temperature throughout the process. Top cover has a special chamber that collects the chaff or skin of the beans, preventing the material from smoking and affecting the batch s flavor. The roasting process is what produces the characteristic flavor of coffee by causing the green coffee beans to change in taste.