The Samsung RT30K3983SL Refrigerator comes with a Cool Wall feature that keeps the internal temperature constant for 12 hours during power cuts. This refrigerator uses digital inverter technology that ensures durability. The dual fan technology allows you can control the temperature of fridge and freezer independently. The smart connect inverter function allows you to connect this refrigerator to your home inverter during power cuts. You can store vegetables and fruits in a specially designed drawer that keeps the temperature at an appropriate level. Cyclopentane Insulation, Compressor: Inverter, Multi Flow, Smart Connect Inverter (Automatic), CoolWall, Freezer Cool Pack (12 Hrs), Fresh room, Easy Slide Shelf, Moist Fresh Zone, Deodorizing Filter, All Round Cooling. Fresh Room, Convertible Freezer, Dual Fan Technology, Cooling even at 55 Degree C, Power Freeze, Digital Display, Big Bottle Guard.