Steak Locker Smart Dry Age Fridges are designed (developed) and created in the United States. All Steak Lockers are patented and trademarked, NSF equivalent certified, approved by national health regulators and highly efficient. Steak Locker Smart Dry Age Fridge uses the latest refrigeration technology, highly efficient digital inverter compressors that save up to 40% off electricity bills, UV bacterial Spectrum lights for disinfecting the air, multiple forced air fans and patented operating systems complimented by a companion smart app.