This LG 33" french-door refrigerator features the Smart Cooling system, internal LED temperature controls, a door alarm and a total capacity of 23.9 cu. ft. The Smart Cooling system is designed to maintain superior conditions within the refrigerator. The linear compressor reacts quickly to temperature fluctuations and helps keep your food fresher, longer. Meanwhile, strategically-placed vents in every section surround your food with cool air no matter where you put it.