The Coviden Kangaroo Pump is a medical device designed for use in various healthcare settings. It is manufactured in the United States and is intended for use in physical laboratories, pediatrics, plastic surgery, nephrology, otolaryngology, oncology, veterinary medicine, medical laboratories, general surgery, urology, immunology, gastroenterology, dental laboratories, ophthalmology, cardiology, emergency medicine, hematology, dermatology, rheumatology, neonatal-perinatal medicine, internal medicine, dentistry, thoracic surgery, orthodontics, biological laboratories, obstetrics & gynecology, family medicine, neurology, pathology, orthopedics, physical medicine & rehabilitation, radiology, endodontics, anesthesiology, microbiological laboratories, psychiatry, and endocrinology. The unit does function an operate as it should, I personally watched it work to my knowledge until the rechargeable backup battery died.