The Serie 4 KGV39VWEAG fridge freezer with VitafreshBox: very efficient- keeps your fruit and vegetables fresher for longer. Bosch has also included their low frost technology resulting in having to defrost less often.VitaFresh: keeps your food fresh for longerLED lights bring a completely new lighting concept to fridgesBigBox frozen food drawer: for stacking storage containers or for large frozen food items.EasyAccess Shelf: retractable glass shelf for convenient loading and unloading and a perfect view.LowFrost: defrost less often thanks to lower ice formation - saves work and is energy-efficient.