The new Bradley Digital Smoker 4-Rack includes all the features of the Original Bradley Smoker, along with the benefits of digital technology. Temperature, time, and smoke are now completely controllable so you can decide how much smoke you want, how long your food is going to be smoked for, and at what temperature. Perfect for entertaining, creating gourmet foods in your own home, or just enjoying the flavor that smoking brings, the new Bradley Digital Smokers offer an easier and better way to automatically roast, smoke and barbecue in the outdoors. Automatic wood feed control system allows hands free use. Set it and leave it. Full Digital control of smoke time and cooking temperature/time. Fully insulated for year round use. Operates on standard 120 volt house hold current. No special electrical need just plug it in.