Panasonic NNSN657S 1.2 Cu. Ft. Microwave Oven Stainless Steel Panasonic NNSN657S 1.2 Cu. Ft. Microwave Oven features Panasonic Inverter Technology which perfects the art of cooking with microwave ovens, delivering delicious flavor, excellent color, and superb shape and texture in the foods you cook. The consistent delivery of microwave energy means delicate foods can simmer without the edges and surfaces overcooking. Foods have the look and taste you expect without the wait! Panasonic has succeeded in evolving Turbo Defrost, which allows you to defrost foods even faster than previous Panasonic Auto Defrost. Panasonic Inverter Turbo Defrost technology is an advanced microwave sequencing system using the Inverter lowpower delivery feature. A pulsing delivery of very low microwave power keeps food temperature at a constant levelwithout overcooking. Food like stew, gravy and desserts remain warm in the oven until you are ready to serve. OneTouch Sensor Cooking adjusts power levels and calculates cooking times automatically, making reheating and cooking a variety of foods easier than ever. Set cooking times in oneminute intervals, or add a minute to a current cooking session. Pop a bag of prepackaged microwave popcorn at the push of a button.