A+ means that the product is rated in its category in terms of energy efficiency. The Energy Labeling system is based on EU Directive 2010/30/EU. A+ Samsung NV7B4040VBS, Large, Electric, 76 L, 2950 W, 76 L, 1800 W Samsung NV7B4040VBS. Oven size: Large, Oven type: Electric, Total oven(s) interior capacity: 76 L. Appliance placement: Built-in, Product colour: Black, Stainless steel, Control type: Touch. Clock type: Electronic, Timer type: Digital. Energy efficiency class: A+, Energy consumption (conventional): 1.05 kWh, Energy consumption (forced convection): 0.71 kWh. Lamp type: Halogen, Bulb power: 25 W