Behmor 5400 1600 Plus Customizable Drum Coffee Roaster Roast up to 1 pound per batch, the largest capacity among home roasters available. Five customizable roast profile settings, and manual roasting override Thermostatically controlled quartz roasting elements and variable speed rotating roasting drum for an even performance Efficient cooling cycle; easy chaff separation with removable chaff tray and drum for simple clean up Lighted interior for viewing of the roast process; Product dimensions: 9 x 9 x 15.2 inches. 1 year warranty.