This is a vintage Hamilton Beach Scovill electric knife, likely model 275-2 or 275A, in avocado green. It is a vintage item from the 1970s. It features two serrated stainless-steel blades that move back and forth. The knife is designed for carving meats, poultry, bread, and other foods. The specific model shown has a power rating of 100W and uses 110V power