This is a user manual for a Whirlpool 550 three-door electronic refrigerator (non-glass). The product features a solid injection molded tempered glass shelf that is not only safe and spill-proof, but also stylish and elegant. Three independent refrigeration systems for the refrigerator, nutrition preservation, and freezer can be precisely controlled by the microcomputer. The refrigerator and nutrition preservation can be closed independently, which has greater energy saving advantages.