Smoke Chief is an amazing new way to smoke. This unit produces cold smoke and can be easily connected to any Grill or outdoor cooking device for delicious smoked foods. Simply fill the tube with BBQ Pellets and turn it on. Smoke Chief smokes up to 3 hours on 1 cup of pellets and operates on 12VDC or 110AC power. . Dimension - 12.125 x 6.5 x 11.375 in.