The Samsung RT28K3953SZ Refrigerator features dual fan technology that allows you to control the temperature of fridge and freezer independently. The digital inverter compressor adjusts the cooling level according to the exterior temperature. You can make instant ice cubes with the power freeze function. The blue LED display with control buttons ensures convenient usage. This refrigerator has a built-in door alarm that notifies you if the door is kept open for too long. 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.